1. This museum was built in 1990.

2. This machine mustn't be used after 5.30 p.m.

3. Human life has completely been changed by science and technology.

4. The room was filled by smoke.

5. Some of my books have been taken away by Tom.

6. After class the chalk board is always cleaned by Tan.

7. Milk is used for making butter and cheese.

8. My question hasn't been answered properly.

9. A pop song was sung very beautifully.

10. The patients were examined by the doctor.

11. Tea can't be made with cold water.

12. Your homework should be done before going to school.

13. We will be given another coffee.

14. English is spoken all over the world.

15. A new high school will be built here.

1, This museum was built in 1990

2, This machine mustn't be used after 5.30p.m

3, Human life has completely been changed by science and technology

4, The room was filled by smoke

5, Some of my books have been taken away by Tom

6, After class the chalk board is aways cleaned  bu Tan

7, Milk is used for making butter and cheese

8, My question hasn't been answered properly

9, A pop song was sung very beautiful

10, The patients were examined by the doctor

11, Tea can't be made with cold water

12, Your homework should be done before going to school

13, We will be given another coffee

14, English is spoken over the world

15, A new high school will be built here