$\text{@Vân}$

1. Mr Hai delivers the letters every day.

→ The letters are delivered by Mr Hai every day.

2. The children often buy the tickets at the box office

→ The tickets are often bought at the box office by these children.

3. They usually finish their homework before bed time.

→Their homework is usually finished before tim

4. The teacher corrects our exercises today.

→Our exercises are corrected by these teachers today.

5. We often watch the shows of music on TV.

→The shows of music on TV are often watched.

6. We do a written test today.

→A written test is done today.

7. Everyone always see the Picasso's exhibition.

→ The Picasso's exhibition is always seen

8. The workers clean the streets every day.

→The streets are cleaned by the workers everyday.

9. Careless driving causes many accidents.

→Many accidents are caused by Careless driving

10. Weeds cover the river bank.

→ The river bank is covered by weeds

1. Mr Hai delivers the letters everyday.

=> The letters are delivered by Mr Hai every day

2. The children often buy the tickets at the box office.

=> The tickets are often bought by the children at the box office 

3. They usually finish their homework before bed time.

=> Their homework is usually finished before bed time 

4. The teacher corrects our exercises today.

=> Our execises are corrected by the teacher today 

5. We often watch the shows of music on TV .

=> The shows of music on TV are often watched 

6. We do a written test today.

=> A written test is done today 

7. Everyone always see the Picasso’s exhibition .

=> The Picasso's exhibition is always seen

8. The workers clean the streets everyday.

=> The streets are cleane by the workers everyday 

9. Careless driving causes many accidents.

=> Many accidents are caused by careless driving 

10.Weeds cover the river bank.

=> The river bank is covered by weeds