1. The letter hasn't been stamped.
2. I wasn't paid for the work, I was expected to do it for nothing.
3. He escaped when he was being moved from one prison to another.
4..I wasn't introduced to her mother by her.
5. I was wakened by a trightful at 4 a.m.
6. (Bạn xem dấu , có bị thiếu hay không rồi viết vào phần bình luận để mình làm nốt nhé ..)
7. The rubbish was thrown away
8. These television sets are made by a Janpanese firm
9. The town was destroyed by an earthquake
10. This could be done much more easily by a machine