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Chào em, em tham khảo nhé!
He has to experience ... before becoming a professional astronaut.
A. microgravity B. microgravitation C. macrogravity D. macrogravitation
Tạm dịch: Anh ấy phải trải nghiệm vi trọng lực trước khi trở thành 1 nhà du hành vũ trụ chuyên nghiệp.
Chúc em học tốt và có những trải nghiệm tuyệt vời tại hoc24.vn!
Đáp án: B
Hành động xảy ra trước một hành động trong quá khứ
Choose the best answer to complete each of the following sentences.
1. Last week, he told us that we..... a picnic at the end of the week on Friday.
A. Can have. B. Did have. C. Would have D. Had had
2. Four days ago she promised that she was going to visit me..... but she didn't arrive.
A. Tomorrow. B. Next day C. The day before. D. The next day
3. When I mwh h when I met her, she admitted that she.....to the park the night before.
A. When. B. Had gone. C. Was going. D. Did go
4. When I asked by the teacher, all the students said they.....literature
A. Liked. B. Are liking. C. Were liking. D. Had like
5. When I phoned him, he told me that he..... in the garden reading the newspaper
A. Sat. B. Was sitting. C. Had sat. D. Has sat
6. When I saw her, she told me that she hadn't come to the party......because she has gone to the embassy in London
A. Yesterday. B. Before day. C. The before day. D. The day before
7. He called the school and said that he...could go... to school because he had an accident
8. My close friend told me that he.....studying in America
A. Likes. B. Liked. C. Had liked. D. Was liking
9. When we asked her about the film, she told us that she......a more interesting film than that.
A. Never saw. B. Never seen. C. Had never seen. D. Did never see
10. Diana told us that she was going to visit.....boyfriend in Rome the next week and wouldn't come to class
A. My. B. Her. C. Your. D. Their
11. He wanted to know where she.....from
A. Come. B. Coming. C. To come. D. Came
12. I asked her.....to pursue higher studies the next year
A. Are you planning. B.If she is planning. C. Was she planning. D. If she was planning
13. I asked her when......
A. The movie began. B. The movie begins C. Does the movie begin D. Did the movie begin
14. I promise I....there before she comes back
A. Am going to be B. Was going to be C. Will be D. Can be
15. Peter asked her," Have you got a laptop?"-> Peter asked her... a laptop
A.. If she got B. If she had got C. Whether she got D. Whether had she got
16. My mother told me.... her up at the airport
A. Please pick. B. To pick. C. Should pick. D. I can pick
17. He revealed that they.....married...
A. Were getting- tomorrow. B. Are getting- the next day. C. Were getting- the next day. D. Will getting- the day before
18. He wanted to know when.....
A. Did I arrive. B. Will I arrive. C. I had arrive. D. I can arrive
19. The father said, " I didn't see her "-> The father said..... her
A. He had seen. B. I hadn't seen. C. She didn't see. D. He hadn't seen
20. I wondered......the right thing
A. If I am doing. B. Was I doing. C. Am I doing. D. Whether I was doing
Chúc bạn học tốt nhé! 
1.C
2.D
3.B
4.A
5.B
6.D
7.could go
8.B
9.C
10.B
11.D
12.C
13.A
14.C
15.B
16.B
17.C
18.C
19.D
20.D
CHÚC BẠN HỌC TỐT!
D
He has to experience ... before becoming a professional astronaut.
A. astronomy B. astronomical C. astronomer D. astronaut