Câu 1: I wish you __________ here tomorrow. A. come B. would come C. will come D. came Câu 2: “You must be _______ when you swim in this river,” the old man said to me. A. carefully B. careful C. care D. carefulness Câu 3: Lan’s grandfather ______ teach literature at high school, but now he has retired. A. is used to B. use to C. was used to D. used to Câu 4: Hoa went to school late yesterday ___________ the traffic was bad. A. therefore B. though C. because D. and Câu 5: You will fail the exam ________you study harder. A. as B. although C. if D. unless Câu 6: We are talking about the____________ of natural resources. A. preserve B. preservation C. preserves D. preserving Câu 7: If we __________ littering, the environment will be polluted. A. turn off B. go on C. turn on D. go to Câu 8: Measures should be taken to protect the environment from ______. A. preservation B. extinction C. communication D. contamination Câu 9: They _______in this city since last year. A. have lived B. are living C. has lived D. lived Câu 10: Many people become ________because of the natural disasters every year, A. homeless B. homework C. homeland D. homesick Câu 11: You should pay your bill before you leave the hotel. A. You should be paid your bill before you leave the hotel. B. Your bill should be paid after you leave the hotel. C. Your bill should paid before you leave the hotel. D. Your bill should be paid before you leave the hotel. Câu 12: He started learning French six years ago. A. He has learned French for six years. B. It is six years since he has learnt French. C. He hasn't learnt French for six years. D. It was six years ago did he start learning French. Câu 13: All the students love the principle. He is very kind. A. All the students love the principle because of being very kind. B. All the students love the principle because of he is very kind. C. All the students love the principle because of his kind. D. All the students love the principle because of his kindness.