written 

1. doesn't go

2. go - ride

3. are you doing - am writting 

4. is - gives

5. am doing - are playing

6. are playing - play 

7. isn't studying 

8. Do they usually go

9. get - brush

10. are lying 

II.

1. They have visited Sapa many times.

2. Smoking cigars too much is harmful to our health.

3. The black car is the same price as the red one.

4. The restaurants are diferent from the ones we had before. 

5. Folk music is not as exciting as rock and roll.

6. My hometown is not the same as it was 5 years ago.

D. was repaired

- Nhấn mạnh hành động mà chủ ngữ bị tác động vào  -> Bị động

- yesterday -> QKĐ

- Bị động thì Quá Khứ Đơn: S + was/ were + VpII

B. national 

1. Children shouldn't go out alone at night.

2. What an interesting book!

3. What was he doing at 5a.m last Sunday?

4. What green trees! 

1. move -> moved

2. kilo -> kilos

à dạ mình cảm ơn :0