=>
I/
6. How long have you worked in that factory?
-> How long + HTHT : bao lâu
7. If I were you, I wouldn't buy that car.
-> Câu đk loại 2 If S V2/ed, S would V
8. She has difficulty in studying Maths.
-> have/has difficulty in Ving : gặp khó khăn khi
9. Don't forget to keep in touch with me if you want to come London.
-> keep in touch with : giữ liên lạc với
10. He would rather read books than watch TV.
-> would rather V than V = prefer Ving to Ving
11. David must have taken your book by mistake.
-> must have V3/ed : ắt hẳn đã
12. You needn't have done all this work.
-> needn't have V3/ed : đáng lẽ không cần
13. George is widely assumed to have been wrongly accused.
-> bị động đặc biệt S is assumed to have V3/ed (lệch thì)
VII/
1. maintenance
-> the N
2. friendly
-> adj N
3. unforgettable
-> adj N
4. modernize
-> to V
5. unconvincing
-> find sth adj
6. warmth
-> provide sth : cung cấp thứ gì
7. encouraged
-> 2002 World Cup (thì QKĐ V2/ed)
8. Environmentalists
-> are (cần N số nhiều)
9. Flexibility : sự linh hoạt
10. imaginative
-> the most adj
21. hospitability
-> the N of
24. shortage
-> adj N
25. informal
-> more adj than