Ответ:

1. They are happy because their child (has entered) the university

2. It (was) great to see her last week.

3. sorry I (have not phoned) you earlier.

4. He was very sorry to hear that you (had not come) in time.

5. We hoped they (had got) home before the rain (started

6. I am glad he has already ( returned) from his business trip

7. Whenever I (was driving) past that restaurant, there always (were) a lot of people.

8. Have you ever (been) to an open-air concert?

9. My parents were angry because I (had not passed) my exam.

10. His brother told him that he (had eaten) all the fruit which he (bought).

11. At this time two weeks ago we (were lying) on the beach.

12. Beth (became) pale when she heard the news.

13. I (was not ) impressed with his new car when I (saw) it yesterday

14. The Aztecs (were) an American Indian tribe who (lived) in Mexico.

15. Yesterday when I ( looked) out of my window, I(saw) that my children (were running) in the garden.

16. I (have not spoken) to you since last week.

17. I was sure he has always (been) your best friend

18. Janet has never ( taken) part in the concerts.

19. When she (came) home, her son (was havinge) supper.

20. I(had read) all the articles before mother (came).

Объяснение: