1, We should go to bed early every day.

2, There isn't any fruit or vegetables in his lunch. 

3, Lucy last exercised three months ago.

4, Because Dave eats lots of sweets, he is becoming fat. 

5, You shouldn't sit close to the TV screen. (Bạn không nên ngồi gần màn hình TV.)

1, A dentist is a person who gives dental treatment. 
2, We know a lot of people who live in Minnesota. 
3, A vegetarian is a person who never eats meat. 
4, Do you know the man who discovered Africa? 
5, The teacher whom we had last semester was very strict. 
6, The man who was drunk caused the accident.
7, That man who is coming towards us is my uncle. 
8, This is the horse which I like. It also kicked me yesterday. 
9, The nails which are in the tool-box are rusty.
10, A cow is an animal which supplies us with milk. 
11, A widow is a woman whose husband is dead. 
12, What was the name of the man whose car broke down? 
13, I know Jane whose father is a translator. 
14, There was a big crowd which soon gathered at the scene of the accident. 
15, Adam has two brothers who both work as engineers. 
16, Brad has very nice neighbours whom I like all very much. 17, My mother invited many relatives to my birthday, only a few of whom showed up. 
18, I talked to an old friend of mine last night, some of whose remarks offended me. 
19, I want to be flatmate with my friend Daniel, one of whose biggest interests is playing basketball. 
20, There are many books in our school library, I'm quite interested in two of which. 
21, Yesterday, my friend and I caught a lot of fish, the biggest of which was 20 pounds.
22, I met with many beautiful girls at the party last night, the most beautiful of whom was Nora. 
23, This is the machine whose properties I described.
24, I stayed at a good hotel whose facilities are fabulous. 
25, Thank you very much for the present which you sent me. 

17. A
18. B
19. B
20. C
21. D
22. B
23. D
24. B
25. B.

1, growth

- adj + N

- growth (n): sự phát triển

2, supported

- Bị động QKĐ: S + was/were + VpII + (by O)

- support (v): hỗ trợ

3, necessity

- the + N + of + N

- necessity (n): sự cần thiết

4, various

- adj + N

- various (adj): khác nhau

5, educators

- As + N

- educator (n): người giáo dục

- Phía sau dùng "they" -> "educator" thêm "s"

 1, vital

-  adj + N

- vital (adj): quan trọng

2, support

- provide + N: cung cấp cái gì

- support (n): sự hỗ trợ

3,free

- free time (n): thời gian rỗi

4, together

- together (adv): cùng nhau

5, difficult

- adj + N

- difficult (adj): khó

6, stressed

- stressed (adj): căng thẳng