Chuyển sang câu bị động:
1. He wrote the letters.
2. Did these engineers build the brige?
3. She asked me to be at her house at six o'clock.
4. They painted the house red.
5. Did the Queen or the Prime Minister open the Festival?
6. Who hit him?
7. They gave up te search after 3 hours.
8. The fire destroyed many valuable paintings.
9. Did she buy a camera yesterday?
10. Her teacher promised her a prize.
11. The elephants fascinated the children most.
12. They kept the performing animals in iron cages.
13. The police didn't give him a driving license.
14. They painted the clown's face white and red.
15. Who wrote it?
16. His grandmother brought him up in Hanoi.