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3. The town hall was badly damaged by the fire.

4. The window was broken down by the boys and took away some pictures.

5. All the workers were being instructed of the plant by the chief engineer.

1. A

2. B

3. D

4. A

5. B

6. B

7. A

8. C

$#NOCOPY$

3. The town hall was badly damaged by the fire.  ( câu bị động thì quá khứ đơn )

4. The window was broken down by the boys and took away some pictures. 

 ( câu bị động thì quá khứ đơn )

5. All the workers were being instructed of the plant by the chief engineer.

 ( câu bị động thì quá khứ tiếp diễn )

1. A ( câu ĐK loại 2 )

2. B ( câu bị động thì hiện tại đơn )

3. D ( thì quá khứ đơn )

4. A ( quá khứ hoàn thành )

5. B

6. B

7. A

* Cấu trúc câu bị độngt hì quá khứ đơn:

  S + was/ were + V(3)ed......by + O + Time