Ответ:

1. I was glad to receive a letter from you.

2. She is lucky to stay alive after the accident.

3. Be careful not to fall

on the icy pavements.

4. Sally is afraid to stay home alone.

5. I was surprised to see her at the party.

6. We were sorry to hear the bad news.

7. My son is proud to be the best pupil in his class.

8. She is always ready to call her friends.

9. The teacher is always willing to help us.

10. I am happy to have such good friends.

11. I made my son close the windows.

12. The doctor made the patient stay in bed.

13. She doesn't let anyone enter

in the room.

14. I don't recommend you to eat in that restaurant. The food's awful.

15. The film was very sad. It made me cry.

Объяснение: