... Lesson plan of 10 grade – Extensive lesson – Ha Thi Phuong Lan – Co Loa High school 31) He didn’t work hard, so ... Niagara River flows over theHorseshoe Falls, which is the more impressive of the two falls. About 10 million people visit the Falls each year, most during the summer tourist season. Sightseers canride ... cars or buses46) The word them in the second paragraph refers to __________ .3 Lesson plan of 10 grade – Extensive lesson – Ha Thi Phuong Lan – Co Loa High school S + HAD + V3/ED S + WOULD/COULD...