Câu 21: Please _____ the music you are playing because I want to watch this program. A. turn up B. look at C. turn down D. look for Câu 22: I'll be very angry if he __________ any more mistakes. A. makes B. will make C. make D. made Câu 23: He is one of the most famous stamp ______. He started collecting stamps five years ago. A. collection B. collections C. collector D. collectors Câu 24: Apples are very good ________ our health, so we should eat at least one every day. A. to B. for C. at D. on Câu 25: We came to work late yesterday because of the ________ traffic. A. long B. heavy C. strong D. busy Câu 26: My parents are going to visit Paris __________ May 1st. A. on B. to C. at D. in Câu 27: Tom and Ellen are talking in class. Tom: “Would you like to come to my house for dinner?” Ellen: “__________” A. I’d like your dinner B. It’s my pleasure. C. What a pity! D. I’d love to but I can’t. Câu 28: He used to ___________ to school when he was in primary school. A. walks B. walking C. walk D. watched Câu 29: This book has no good information. It’s very__________. A. useful B. used C. usefully D. useless Câu 30: Our teacher ___________ us a lot of homework to do last weekend. A. gave B. gives C. has given D. was giving Câu 31: Students should try hard to study to make a ________to our country later. A. possibility B. discover C. contribution D. decision giúp mình với ạ mình cần gấp ạ cảm ơn