II. 
1. who

2. where/what

3. how/what
4. how

5. when

iii.

6. I don't know where to visit this summer vacation

7. Could you tell who to ask for advice?

8. She wodered what to write in the final essay

9. I have no idea who to contact in case of emergency

10. They can't decide when to leave for America

3. good → well

4. to ride  → riding

5. in  → to

6. Do  → Will

7. doing  → going

8. think  → find
9. interest  → is interesting

10. played  → will play

Chắc bạn :>

Ex2: Rewrite the following sentences so that its meaning is the same as the first one.

1: You are advised not to wear shorts when going to pagodas.

=> You should not wear shorts when going to pagodas

2. This mobile phone is too expensive for my father to buy.

=>This mobile phone is so expensive that my father can't buy it

3. He uses all his free time to look after his garden.

=> He spends all his free time looking after his garden

4. Would you please change this T-shirt for me?

=> Do you mind changing this T-shirt for me?

Exercise 5: Put the verbs in brackets into the correct form.

1. It is dangerous (learn) to learn out of the window.

2. You had better (say) say nothing.

3. He made me (move) move my car.

4.  You are too young (understand) to understand .

5. He found that (park) was difficult.

6. After (swim) swimming, I felt cold.

7. I like (play) playing with my little brother when I am free 

relatives

19.There are many kind-hearted people who voluntarily take care of others.

  A.give up             B.look after             C.stand up                D.take after

20.Most animals can communicate with members of their own species ,but not with other groups.

  A.kind of plant   B.geographical areas    C.type of animal   D.specialized researchers

neither → so 

9. for → in 

10. was died → died 

Tìm lỗi sai và sửa lại

1)I like papayas and neither does my brother

→ I like papayas and so does my brother

2) She won't get to there by plane

→ She won't get there by plane

Điền giới từ thích hợp

1) Open your book at page 9

Điền form đúng

1) They are aware of the (important) importance of this project