*Bn tham khảo nha*

I:

1/ The letters are delivered by Mr. Hai every day.

2/ The tickets are often bought at the box office by the children.

3/ Their housework is usually finished before bed time.

4/ Our exercises are corrected by the teacher today.

5/ The shows of music are often watched on TV.

6/ A written test is done today.

7/ The Picasso's exhibition is always seen.

8/ The streets are cleaned by workers every day.

9/ Many accidents are caused by careless driving.

10/ The river bank is covered by weeds.

II: 

1/ That novel was written by Mrs. Allen in 1998.

2/ The reference book was borrowed from the shelf by Nam yesterday.

3/ Two loads of bread were eaten by the boy last Sunday.

4/ The letter was left on the desk some minutes ago.

I/

1/ The letters are delivered by Mr. Hai every day.

2/ The tickets are often bought at the box office by the children.

3/ Their housework is usually finished before bed time.

4/ Our exercises are corrected by the teacher today.

5/ The shows of music are often watched on TV.

6/ A written test is done today.

7/ The Picasso's exhibition is always seen.

8/ The streets are cleaned by workers every day.

9/ Many accidents are caused by careless driving.

10/ The river bank is covered by weeds.

II/ 

1/ That novel was written by Mrs. Allen in 1998.

2/ The reference book was borrowed from the shelf by Nam yesterday.

3/ Two loads of bread were eaten by the boy last Sunday.

4/ The letter was left on the desk some minutes ago.