СРОЧНО!!!!!!!!!!!!!!!!!!!!!!!!!

Ответ:

1. She had been waiting for an hour before Helen arrived .

2. Larry had been looking for his glasses for over an hour before he found them.

3.They had been playing football for over an hour before Tom scored.

4. Jane had been driving for over two hours before she reached the Smith 's cottage.

5. Mr Smith had been working the company for ten years before he decided to leave.