1. A large area was destroyed by the tsunami in Japan last year

2. The newpapers are delivered once a day

3. English is spoken in many countries over the world

4. "Hamlet" wasn't written by Hemingway

5. Was "Hamlet" written by Shakespeare?

6. The house green is being painted by the workers

7. These exercises must be finish before 4 o'clock

8. A new airpot have been built

9. I am used to be given many excercises by my teacher

10. This house isn't going to be bought by him

11. A mechanic was had by Tom repaired his car

12. My bike can't be repaired by him

13. Some workers were got  to paint our house last week

14. Rice is exported by Vietnam to manycountries

15. A better solution can be given to this problem

Chúc bn hc tốt=))