Câu 21: Our teachers always ask us ...................... 5K message to avoid COVID – 19 infections. A. following B. follow C. to following D. to follow Câu 22: My sister cycles regularly ..................... keep fit. A. so as to B. in order C. so that D. so as not to Câu 23: When it is too hot, I am not able to sleep well ...................... night. A. in B. at C. for D. on Câu 24: They ..................... teachers of English at this school for nearly ten years. A. will be B. were C. have been D. are Câu 25: John and Mary are talking at the school gate. John: “Would you like to have lunch with us?" Mary: “.........................” A. No, I wouldn’t like B. Yes, I would C. Yes, I’d love to D. All right Chữa lỗi sai trong câu Câu 31: He played the guitar in his own room when I phoned him last Sunday morning. A. the guitar B. last C. own D. played Câu 32: My mother became very angrily when she saw the mess in my bedroom. A. in B. became C. the mess D. angrily Câu 33: I asked my little brother how much time did he often spend playing computer games. A. did he often spend B. how much C. computer games. D. little Câu 34: One of the biggest problems facing our society are unemployment. A. One of B. biggest problems C. our D. are Câu 35: He loves playing sports, especially going jogging, running and ice-skate. A. loves B. running C. ice – skate D. jogging