1. The letters are delivered by Mr Hia everyday. 

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

3. Their homework 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, The recyled plastic is also used to make toys. 

7. Milk is used for making butter and cheese. 

8. Bottles of milk are berough to my house by the man. 

9. EL is spoken all over the world. 

10. This house isn't used very often. 

***

1. That novel was written in 1998.

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

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

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

5. A new bike was bought for me by my mother last month. 

6, Our written test was returned to us by our form teacher last lesson. 

7. Nam's friends were visited by him two weeks ago. 

8. I wasn't seen at the party last night. 

9. My friends were seen at your party 5 days ago.

10. We were taken to the movies by my mother last week.