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ĐỀ BÀI TẬP 5 Exercise 1: One of the four underlined parts marked A, B, C, D in each sentence is not correct in standard English. Identify them. 1. If Lucia had been here now, she would find out the truth about her uncle’s accident. A B C D 2. If a student takes a course on Computer Science, it will take him four years doing the course. A B C D 3. Unless it did not rain, Peter would pay us a visit. A B C D 4. If had I known you were in financial difficulty, I would have helped you. A B C D 5. If I had knew the time when the match started, I would have told you. A B C D 6. If she had finished the work, she can go home. A B C D 7. If I had spoken more confident at the interview, they would have offered me the job. A B C D 8. If we had had a map, we would not be lost yesterday. A B C D 9. Had I known Alice’s address, I would write to her. A B C D 10. If I had realized that the traffic lights were red, I would stop. A B C D 11. If had you sent the application form to that company, you would have been offered a job. A B C D 12. If you don’t care conservation the environment, we will get unavoidable disasters. A B C D ,ʌnəvɔidəbl kh. thể tránh được; tất yếu 13. He spends money carelessly as if he was a millionaire. A B C D 14. Unless you work harder, you will be sack because of your laziness. A B C D 15. Unless there had been the heavy storm, the climbers will not have died. A B C D 16. She has found that nobody can help her if she did not try her best to do it herself. A B C D Exercise 2: Choose the best answer for each of the following sentences. 1. If the oceans¬¬ _____of fresh water, there_____ plenty of water to irrigate all the deserts on earth. A. is will be B.were would be C. would be were. D. had been would have been 2. _____have enough apples, she’ll bake an apple pie this afternoon. A.Should she B. If she C. Will she D. Unless she 3. If you_____to me, you wouldn’t have got so much trouble. A. listened B. would listen C. had listened D. Would have listened 4. If you don’t know how to spell a word, you_____ look it up in the dictionary. A. must B. will C. should D. ought 5. If the sun _____, we _____for a walk. A. shines will go B. shone will go C. shone would go D. had shone would go 6. The campfire _____ if it _____ last night. A. wouldn’t be cancelled hadn’t rained B. wouldn’t have been cancelled hadn’t rained C. would have been cancelled hadn’t rained D. will be cancelled rains 7. But for our parents, we _____ successful in life. A. will never be B. would never be C. wouldn’t have be D. would have never been 8. If I _____ my wallet at home this morning, I _____ money for lunch now. A. leave will have B. didn’t leave would have C. hadn’t left would have D. hadn’t left would have had 9. It is too bad, Lam isn’t here. If he _____ here, he _____ what to do. A. were would know B. is will know C. had been would have known D. was would know 10. If we _____ the plans carefully, we would not have had so many serious mistakes. A. study B. had studied C. studied D. were studying 11. I will never talk to you again _____ you apologize me _____ your being rude. A. if for B. unless for C. or of D. whether or 12. _____ if you work harder, you will be sacked. A. Whether B. If C. However D. Unless 13. I think you should stop smoking. A. If I am you, I will stop smoking. B. If I were you, I will stop smoking. C. If I were you, I would stop smoking. D. If I had been you, I would stop smoking. 14. If you take the ice out of the fridge, it _____. A. vaporizes B. melts C. heats D. disappears 15. We should do something to protect water from being polluted _____we will have nothing to drink in the future. A. if B. whether C. or D. unless 16. If you want get ahead this company have be prepared work long hours. A. If you want to get ahead this company, you have to be prepared work long hours. B. If you want to get ahead in this company, you have to be prepared working long hours. C. If you want to get ahead for this company, you have to be prepared working long hours. D. If you want to get ahead in this company, you have to be prepared to work long hours. 17. not forget keep touch me if you come Singapore. A. Don’t forget keeping in touch with me if you come to Singapore. B. Don’t forget to keeping in touch with me if you come to Singapore. C. Don’t forget to keep in touch with me if you come to Singapore. D. Don’t forget kept in touch with me if you come to Singapore. 18. If I can’t afford something, I never buy it. A. I never buy anything that I can’t afford. B. I never buy something that I can’t afford. C. I never buy anything that I can afford. D. The thing that I can’t afford I never buy anything. 19. The police want to contact with people if they saw him. A. The police want to talk to anyone who sees the man. B. The police want to talk to anyone who saw the man. C. The police wants to talk to anyone who saw the man. D. The police who saw the man want to talk to someone. 20. How should people be punished if they start a fire? A. What we should do with someone who starts the fire? B. What should we do with someone starts the fire? C. What with someone who starts the fire should we do? D. What should we do with someone who starts the fire? 21. Let’s knock on their door to see _____ home. A. if they’re B. unless they’re C. whether they were D. if they were 22. Unless we _____ more snow, we can’t go skiing. A. will have B. have C. have had D. had 23. You’ll fail the exam _____ you start revising. A. if B. until C. when D. unless 24. Unless you wash the car, you _____ not drive it at the weekend. A. would B. could C. have to D. may 25. If Peter _____ his car before the drive, he _____ the problem of out of petrol. A. checked will not get B. had checked would not have got C. checks will not have got D. would be checking will not have got 26. He stepped on the mine, and it exploded. A. If he doesn’t step on the mine, it doesn’t explode. B. If he doesn’t step on the mine, it won’t explode. C. If he didn’t step on the mine, it wouldn’t explode. D. If he hadn’t stepped on the mine, it wouldn’t have exploded. 27. In my experiments, the liquid is cooled to 32¬¬¬ºF. It always freezes. A. If you cool the liquid to 32 degrees, it froze. B. If you cooled the liquid to 32 degrees, it would freeze. C. If you cool the liquid to 32 degrees, it will freeze. D. If you had cooled the liquid to 32 degrees, it would have frozen. 28. It may rain this afternoon. I hope it doesn’t because I don’t want the match to be cancelled. A. If it rains, the match is cancelled. B. If it rains, the match will be cancelled. C. if it rained, the match would be cancelled. D. If it had rained, the match would have been cancelled. 29. Unfortunately, I don’t know Philosophy, so I can’t answer your question. A. If I know Philosophy, I can answer your question. B. If I know Philosophy, I will be able to answer your question. C. If I knew Philosophy, I would be able to answer your question. D. If I had known Philosophy, I would have been able to answer your question. 30. If the bag had not been heavy, we would have taken it with us. A. The bag is heavy, so we cannot take it with us. B. The bag was heavy, so we could not take it with us. C. Because the bag was heavy so we could not take it with us. D. We took the bag with us although it was heavy. 31. _____ there are some more ideas, we can end the meeting now. A. If B. As if C. Unless D. In case 32. If he _____ with us now, he _____ the beauty of nature of the National Park. A. is can enjoy B. was will enjoy C. has been would enjoy D. were could enjoy 33. If they had searched more carefully, they…the watch sooner. A. will find B. would find C. found D. would have found 34. If I had got up early, I _____ to have breakfast now. A. have B.I had C. would have D. would have had 35. He talked as if nothing _____. A. has happened B. had happened C. will happen D. would happen 36. Can you imagine what _____ if everyone _____ . A. will happen can fly B. would happen could fly C. had happened could have flown D. happened will have happened 37. The wind was so strong that the cottage collapsed. A. The wind was too strong to collapse the cottage. B. If the wind were not so strong, the cottage would not collapse. C. Due to the strong wind, the cottage collapsed. D. It is the strong wind made the cottage collapsed. 38. Slow down _____. A. In case you will get and accident. B. Provided that you would get and accident. C. And you will get and accident. D. Or you will get an accident. 39. I regret behaving so impolitely with her and she was disappointed. A. Unless I behave so impolitely with her, she would not be disappointed. B. Provided that I did not behave so impolitely with her, she would not be disappointed. C. I wish I did not behave so impolitely with her. D. If I had not behaved so impolitely with her, she would not have been disappointed. 40. I cannot buy a new computer _____ I save enough money. A. if B. even if C. unless D. as if 41. Most people you meet will be polite to you _____. A. if you are polite to them B. if you will be polite to them C. unless you are polite to them D. if you were polite to them 42. Take an umbrella with you _____ . A. in case it rains B. unless it rains C. if it will rain D. even if it would rain 43. If you do so, it _____ the matter worse. A. makes only B. would only make C. will only make D. had only made 44. You _____ English fluently unless you practice it every day. A. will speak B. will not speak C. can speak D. did not speak 45. Hurry up _____ you will miss the bus and be late for school. A. if B. and C. or D. as 46. You will get a good seat if you _____ first. A. come B. came C. have come D. will come 47. The baby will die if nobody sends for a doctor. A. unless a doctor is sent for B. if a doctor is sent for C. unless nobody sends for a doctor D. if a doctor will be sent 48. He needs a lot of money to cure his daughter’s illness_____ he works day and night. A. if B. unless C. then D. so 49. Sam will not graduate_____. A. if he passed all the tests B. if he does not pass all the tests. C. unless he passes all the tests D. unless he had passed all the tests. 50. _____ , we cannot continue our journey. A. If there is not enough food B. If only there is not enough food C. Only if there is enough food D. If there was enough food 51. If I had been more confident, I would have passed the driving test. I failed my driving test because of my lack of confidence. I had failed my driving test because of my lack of confidence. I passed the driving test in spite of my lack of confidence. I passed the driving test with confidence. 52. You in need I help. A. If you are in need, I will help you with something. B. If you are in need, and I will help you with something. C. If you are in need or I will help you with something. D. Otherwise you are in need, I will help you with something. 53. Ok I pick you up 4 o’clock afternoon? A. Do you OK if I pick you up at 4 o’clock in the afternoon? B. Is it OK if I pick if I pick you up at 4 o’clock in the afternoon? C. Do you mind it is OK if I pick you up at 4 o’clock in the afternoon? D. I wonder is it OK if I pick you up at 4 o’clock in the afternoon? 54. I get refund change another sweater. A. I would like to get the refund if you can change me another sweater. B. Unless I would like to get the refund or you can change me another sweater. C. I would like to get the refund or you can change me another sweater. D. I would like to get the refund; consequently, you can change me another sweater. 55. If I had time, I would go with you. A.I am free and surely go with you. B.I am too busy to go with you. C. I will go with you because I have time. D. I am free enough to go with you. 56. Americaifcollege tuitionhightheymayneedworkparttimehelp paytheir education. A. In America, if college tuition was high, they may need working parttime to help pay for their education. B. In America, if college tuition is high, they may need working parttime to help pay for their education. C. In America, if college tuition is high, they may need to work parttime to help pay for their education. D. In America, if college tuition is high, they may need to working parttime to help pay for their education. 57. If Margaret hadn’t been wearing a seat belt, she…. Injured. A. has been B. would has been C. would be D. would have been 58. If I _____ the rain yesterday, I_____ ill. A. had not caught would have been B. had not caught would have not been C. have not caught were not D. have not caught would have been 59. He looked frightened as if he _____ a ghost. A. sees B. is seeing C. has seen D. had seen 60. What _____if there _____ a serious nuclear accident. A. will happen was B. happens were C. would happen were D. would happen had been ĐÁP ÁN BÀI TẬP 5 Exercise 1: One of the four underlined parts marked A, B, C, D in each sentence is not correct in standard English. Identify them. 17. If Lucia had been here now, she would find out the truth about her uncle’s accident. A B C D 18. If a student takes a course on Computer Science, it will take him four years doing the course. A B C D 19. Unless it did not rain, Peter would pay us a visit. A B C D 20. If had I known you were in financial difficulty, I would have helped you. A B C D 21. If I had knew the time when the match started, I would have told you. A B C D 22. If she had finished the work, she can go home. A B C D 23. If I had spoken more confident at the interview, they would have offered me the job. A B C D 24. If we had had a map, we would not be lost yesterday. A B C D 25. Had I known Alice’s address, I would write to her. A B C D 26. If I had realized that the traffic lights were red, I would stop. A B C D 27. If had you sent the application form to that company, you would have been offered a job. A B C D 28. If you don’t care conservation the environment, we will get unavoidable disasters. A B C D 29. He spends money carelessly as if he was a millionaire. A B C D 30. Unless you work harder, you will be sack because of your laziness. A B C D 31. Unless there had been the heavy storm, the climbers will not have died. A B C D 32. She has found that nobody can help her if she did not try her best to do it herself. A B C D Exercise 2: Choose the best answer for each of the following sentences. 61. If the oceans¬¬ _____of fresh water, there_____ plenty of water to irrigate all the deserts on earth. A. is will be B.were would be C. would be were. D. had been would have been 62. _____have enough apples, she’ll bake an apple pie this afternoon. A.Should she B. If she C. Will she D. Unless she 63. If you_____to me, you wouldn’t have got so much trouble. A. listened B. would listen C. had listened D. Would have listened 64. If you don’t know how to spell a word, you_____ look it up in the dictionary. A. must B. will C. should D. ought 65. If the sun _____, we _____for a walk. A. shines will go B. shone will go C. shone would go D. had shone would go 66. The campfire _____ if it _____ last night. A. wouldn’t be cancelled hadn’t rained B. wouldn’t have been cancelled hadn’t rained C. would have been cancelled hadn’t rained D. will be cancelled rains 67. But for our parents, we _____ successful in life. A. will never be B. would never be C. wouldn’t have be D. would have never been 68. If I _____ my wallet at home this morning, I _____ money for lunch now. A. leave will have B. didn’t leave would have C. hadn’t left would have D. hadn’t left would have had 69. It is too bad, Lam isn’t here. If he _____ here, he _____ what to do. A. were would know B. is will know C. had been would have known D. was would know 70. If we _____ the plans carefully, we would not have had so many serious mistakes. A. study B. had studied C. studied D. were studying 71. I will never talk to you again _____ you apologize me _____ your being rude. A. if for B. unless for C. or of D. whether or 72. _____ if you work harder, you will be sacked. A. Whether B. If C. However D. Unless 73. I think you should stop smoking. A. If I am you, I will stop smoking. B. If I were you, I will stop smoking. C. If I were you, I would stop smoking. D. If I had been you, I would stop smoking. 74. If you take the ice out of the fridge, it _____. A. vaporizes B. melts C. heats D. disappears 75. We should do something to protect water from being polluted _____we will have nothing to drink in the future. A. if B. whether C. or D. unless 76. If you want get ahead this company have be prepared work long hours. E. If you want to get ahead this company, you have to be prepared work long hours. F. If you want to get ahead in this company, you have to be prepared working long hours. G. If you want to get ahead for this company, you have to be prepared working long hours. H. If you want to get ahead in this company, you have to be prepared to work long hours. 77. not forget keep touch me if you come Singapore. E. Don’t forget keeping in touch with me if you come to Singapore. F. Don’t forget to keeping in touch with me if you come to Singapore. G. Don’t forget to keep in touch with me if you come to Singapore. H. Don’t forget kept in touch with me if you come to Singapore. 78. If I can’t afford something, I never buy it. E. I never buy anything that I can’t afford. F. I never buy something that I can’t afford. G. I never buy anything that I can afford. H. The thing that I can’t afford I never buy anything. 79. The police want to contact with people if they saw him. E. The police want to talk to anyone who sees the man. F. The police want to talk to anyone who saw the man. G. The police wants to talk to anyone who saw the man. H. The police who saw the man want to talk to someone. 80. How should people be punished if they start a fire? E. What we should do with someone who starts the fire? F. What should we do with someone starts the fire? G. What with someone who starts the fire should we do? H. What should we do with someone who starts the fire? 81. Let’s knock on their door to see _____ home. A. if they’re B. unless they’re C. whether they were D. if they were 82. Unless we _____ more snow, we can’t go skiing. A. will have B. have C. have had D. had 83. You’ll fail the exam _____ you start revising. A. if B. until C. when D. unless 84. Unless you wash the car, you _____ not drive it at the weekend. A. would B. could C. have to D. may 85. If Peter _____ his car before the drive, he _____ the problem of out of petrol. A. checked will not get B. had checked would not have got C. checks will not have got D. would be checking will not have got 86. He stepped on the mine, and it exploded. E. If he doesn’t step on the mine, it doesn’t explode. F. If he doesn’t step on the mine, it won’t explode. G. If he didn’t step on the mine, it wouldn’t explode. H. If he hadn’t stepped on the mine, it wouldn’t have exploded. 87. In my experiments, the liquid is cooled to 32¬¬¬ºF. It always freezes. E. If you cool the liquid to 32 degrees, it froze. F. If you cooled the liquid to 32 degrees, it would freeze. G. If you cool the liquid to 32 degrees, it will freeze. H. If you had cooled the liquid to 32 degrees, it would have frozen. 88. It may rain this afternoon. I hope it doesn’t because I don’t want the match to be cancelled. A. If it rains, the match is cancelled. B. If it rains, the match will be cancelled. C. if it rained, the match would be cancelled. D. If it had rained, the match would have been cancelled. 89. Unfortunately, I don’t know Philosophy, so I can’t answer your question. E. If I know Philosophy, I can answer your question. F. If I know Philosophy, I will be able to answer your question. G. If I knew Philosophy, I would be able to answer your question. H. If I had known Philosophy, I would have been able to answer your question. 90. If the bag had not been heavy, we would have taken it with us. E. The bag is heavy, so we cannot take it with us. F. The bag was heavy, so we could not take it with us. G. Because the bag was heavy so we could not take it with us. H. We took the bag with us although it was heavy. 91. _____ there are some more ideas, we can end the meeting now. A. If B. As if C. Unless D. In case 92. If he _____ with us now, he _____ the beauty of nature of the National Park. A. is can enjoy B. was will enjoy C. has been would enjoy D. were could enjoy 93. If they had searched more carefully, they…the watch sooner. A. will find B. would find C. found D. would have found 94. If I had got up early, I _____ to have breakfast now. A. have B.I had C. would have D. would have had 95. He talked as if nothing _____. A. has happened B. had happened C. will happen D. would happen 96. Can you imagine what _____ if everyone _____ . A. will happen can fly B. would happen could fly C. had happened could have flown D. happened will have happened 97. The wind was so strong that the cottage collapsed. E. The wind was too strong to collapse the cottage. F. If the wind were not so strong, the cottage would not collapse. G. Due to the strong wind, the cottage collapsed. H. It is the strong wind made the cottage collapsed. 98. Slow down _____. E. In case you will get and accident. F. Provided that you would get and accident. G. And you will get and accident. H. Or you will get an accident. 99. I regret behaving so impolitely with her and she was disappointed. E. Unless I behave so impolitely with her, she would not be disappointed. F. Provided that I did not behave so impolitely with her, she would not be disappointed. G. I wish I did not behave so impolitely with her. H. If I had not behaved so impolitely with her, she would not have been disappointed. 100. I cannot buy a new computer _____ I save enough money. A. if B. even if C. unless D. as if 101. Most people you meet will be polite to you _____. A. if you are polite to them B. if you will be polite to them C. unless you are polite to them D. if you were polite to them 102. Take an umbrella with you _____ . A. in case it rains B. unless it rains C. if it will rain D. even if it would rain 103. If you do so, it _____ the matter worse. A. makes only B. would only make C. will only make D. had only made 104. You _____ English fluently unless you practice it every day. A. will speak B. will not speak C. can speak D. did not speak 105. Hurry up _____ you will miss the bus and be late for school. A. if B. and C. or D. as 106. You will get a good seat if you _____ first. A. come B. came C. have come D. will come 107. The baby will die if nobody sends for a doctor. A. unless a doctor is sent for B. if a doctor is sent for C. unless nobody sends for a doctor D. if a doctor will be sent 108. He needs a lot of money to cure his daughter’s illness_____ he works day and night. A. if B. unless C. then D. so 109. Sam will not graduate_____. A. if he passed all the tests B. if he does not pass all the tests. C. unless he passes all the tests D. unless he had passed all the tests. 110. _____ , we cannot continue our journey. A. If there is not enough food B. If only there is not enough food C. Only if there is enough food D. If there was enough food 111. If I had been more confident, I would have passed the driving test. A. I failed my driving test because of my lack of confidence. B. I had failed my driving test because of my lack of confidence. C. I passed the driving test in spite of my lack of confidence. D. I passed the driving test with confidence. 112. You in need I help. E. If you are in need, I will help you with something. F. If you are in need, and I will help you with something. G. If you are in need or I will help you with something. H. Otherwise you are in need, I will help you with something. 113. Ok I pick you up 4 o’clock afternoon? E. Do you OK if I pick you up at 4 o’clock in the afternoon? F. Is it OK if I pick if I pick you up at 4 o’clock in the afternoon? G. Do you mind it is OK if I pick you up at 4 o’clock in the afternoon? H. I wonder is it OK if I pick you up at 4 o’clock in the afternoon? 114. I get refund change another sweater. E. I would like to get the refund if you can change me another sweater. F. Unless I would like to get the refund or you can change me another sweater. G. I would like to get the refund or you can change me another sweater. H. I would like to get the refund; consequently, you can change me another sweater. 115. If I had time, I would go with you. A.I am free and surely go with you. B.I am too busy to go with you. C. I will go with you because I have time. D. I am free enough to go with you. 116. Americaifcollege tuitionhightheymayneedworkparttimehelp paytheir education. E. In America, if college tuition was high, they may need working parttime to help pay for their education. F. In America, if college tuition is high, they may need working parttime to help pay for their education. G. In America, if college tuition is high, they may need to work parttime to help pay for their education. H. In America, if college tuition is high, they may need to working parttime to help pay for their education. 117. If Margaret hadn’t been wearing a seat belt, she…. Injured. A. has been B. would has been C. would be D. would have been 118. If I _____ the rain yesterday, I_____ ill. A. had not caught would have been B. had not caught would have not been C. have not caught were not D. have not caught would have been 119. He looked frightened as if he _____ a ghost. A. sees B. is seeing C. has seen D. had seen 120. What _____if there _____ a serious nuclear accident. A. will happen was B. happens were C. would happen were D. would happen had been