Помогите пожалуйста! До 18:00. Даю 20 балов

Ответ:

1. ...if they had...

2. I enjoy skiing

3. If you. hadn't stopped...

4.. John and I are good  friends.

5. Did you see the Headmaster ...?

6. .... We've known each other  for years.

7. Try not to be late

8. ... without  sleeping.

9. His wife  doesn't want him to join  the army.

10. He felt angry when he failed his exam.

Объяснение: