Đặc điểm chung của các phần tử hợp thành cụm trục trước xe đạp là: A. Có cấu tạo hoàn chỉnh B. Có chức năng nhất định C. Cả A và B đều đúng D. Đáp án khác

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giúp mik vs, mik sẽ vote 5 sao và tim, ctlhn cho :3 18. -------------- study hard when you were at school? a. Must you b. Had you c. Did you have to d. Were you 19. She is tired because she ------------- all day. a. is studied b. has been studying c. had been studying d. studied 20. Has your teacher ever ------------ angry with you? a. get b. getting c. got d. gets 21. He ---------- a. will be here soon b. will here be soon c. will be soon here d. be soon will ere 22. They------------ to the theatre twice so far this month. a. are going b. go c. went d. have been 23. My daughter ------------- university last June. a. left b. has left c. leaves d. was leaving 24. He hates his boss so he ------------- his job a. leaves b. has left c. is leaving d. left 25. While the waiter was picking up the broken plates, he ---------- his finger. a. cut b. was cutting c. had cut d. cuts 26. Pam was always afraid------------ cooking. a. of b. to c. for d. at 27. When Joe was at school, he was very good----- ---- running. a. to b. for c. in d. at 28. We’ve been thinking ------- moving house. a. in b. of c. to d. on 29. On his third try, he succeeded------------ passing his driving test. a. in b. on c. at d. to 30. I’m fed up -------- working, I need a holiday. a. to b. in c. with d. for 31. I’m frightened----------- spiders, they terrify me. a. in b. to c. of d. for 32. They went ----------- holiday yesterday. a. in b. on c. at d. during 33. She’s always talking --------- the phone. a. in b. on c. at d. over 34. John went red after sitting----------- the sun all day. a. in b. at c. on d. by