Ответ:

1) He got to the airport, went  to the check-in desk, put his suit case on the conveyer belt and decided to go to the duty-free shop

2) She was very tired. She had been travelling all day

3) They had completed the project by May

4) I was upset a little. I had spent all my money

5) What were you doing at 6 o`clock yesterday?

6) When did you exchange your money?

7) Hardly had  he come) to the city when everybody knew about his arrival

8) I had known her for years when we started to drift apart

9) They had been driving for a half an hour before Tony spoke

10) When she entered the house at dinner time and found Tom gone she understood what had  happened

11) I looked at my husband. He was reading a letter

12) I knew that they had known each other since the war and now corresponded for years

13) No sooner the curtain had fallen than he rose to go

14) David disappeared as soon as we had had breakfast.

Объяснение: