=>

A/

1. B /e/ còn lại /i/

2. C

3. C nhấn âm 1 còn lại 2

4. A nhấn âm 3 còn lại 2

B/

5. A : bảo vệ 

6. D

7. A

8. A

9. B : would you like to + V

10. B

C/

1. This room has been painted by my parents since I was born. 

2. Many childhood diseases can be prevented by early immunization. 

3. A notice about the trip was put up on the notice board yesterday. 

4. This problem is going to be explained to us by the teacher. 

5. How much were you paid? 

6. The suspects are being followed by the police. 

7. The dam may be broken by a sudden increase in water pressure. 

8. A difficult question was asked by the boy.

9. We have been invited to dinner by our neighbors.

10. The product will be advertised on television.