Lời giải:
1. That book was bought by me yesterday.
2. I will be able to met by my brother at the station.
3. The cell phone has been taken by him from the bag.
4. The room is cleaned by them now.
5. His portrait had been printed by him.
6. My shoes were mended by me yesterday.
7. This text can be translated by him.
8. Mushrooms could be found by us everywhere.
9. The letter was received by Nora yesterday.
10. The game will be won by them.
11. The trees are watered by him now.

1. That book was bought yesterday.
2. I'll be met by my at the station.
3. The cell phone has been taken by hịm from the bag.
4.the room are being clean by them now.
5. His portrait had been printed by him.
6. My shoses were mended by me yester day.
7. This text can be translated by him.
8. Mushrooms could be found by us everywhere.
9. The letter was recieved by Nora yesterday.
10. The game will be win by them.
11. The trees are being watered by him now.