1. It was kind of you to write to me.
2. It might be a good idea to use honey instead of sugar.
3. It's a difficult homework for him to do.
4. It was clever of him to work out the answer.
5. He noticed something and went into the house to steal.
6. You are mad to throw up your job.
8. Hơi mờ.... 9. The policeman made a girl empty her pockets.
10. His mother tell him that he had to tidy his room.
11. It was very difficult for him to drive the motorbike.
12. It is very hard to find out the trust.
13. It was very dangerous river for them to swim.
14. John has been playing the piano for 10 years.