20 câu thôi, không quá khó 
1.We’ll buy a smaller house when the children have grown up and left home. (grown up: đã lớn, đã trưởng thành)
2. The computer isn’t working. It broke down thismorning. (break down: hỏng)
3. My headaches have been much better since I gave up drinking coffee. (give up: từ bỏ)
4. I turned down their offer because they weren’t goingto pay me enough money. (turn down: từ chối)
5. It was not a problem. We looked up his number in the telephone book. (look up: tìm kiếm, tham khảo, tra cứu)
6. Helen takes after her mother in many ways. (take after: giống)
7. We need to set off early tomorrow. (set off: khơi mào làm gì...)
8. The plane took off very quickly. (take off: cất cánh (máy bay))
9. Anne’s leaving for London tomorrow morning. (leave for: rời khỏi)
10. Your friend is always complaining about her job. (complain about: phàn nàn về)
11. If there was a technical failure, Gagarinmight never get back to the Earth. (get back: trở về)
12. Courseslike shoemaking or glass engraving provide people with practical skills they can do with their hands. (provide with: cung cấp...)
13.She is famous for her beautiful face and sweet voice. (be famous for: nổi tiếng bởi...)
14.We are all aware of the importance of the environment protection. (aware of: nhận thấy)
15.His opinion is different from mine. (different from: khác với)
16.If you don’t pay attention to the teacher, you won’t understand the lesson. (pay attention to: chú ý tới)
17. I’m not familiar with his name, but his face seems familiar with me. (familiar with: quen thuộc)
18. We were very grateful to our friends for all oftheir assistance. (grateful to: biết ơn)
19.No one knew precisely what would happen to a human being in space. (happen to: xảy đến với)
20..How would the mind deal with the psychological tension?
Các bạn giải thích luôn để chúng ta dễ dàng tiếp thu nhé ^^
