Đáp án:
1. Rice is grown in tropical countries.
2. His friend was bought a present by mr.green.
3. French isn't spoken here.
4. His windows were broken last night.
5. The lost boy wasn't found by the police yesterday.
6. This live show is being watched by about thirty million people now.
7. The injured player was being carried off the field at that time.
8. The article has been typed by jack recently.
9, The murderer hasn't been found by the police yet.
10. The box is being lifted.
