1. When I arrived, Ann ……waited….…. (wait) for me. She was rather annoyed with me because I and she … had waited………(wait) for a very long time.

2. We … walked…… (walk) along the road for about 20 minutes when a car stopped and the driver gave us a lift.

3. When I saw Ben last week, he said he ... had stopped………… (stop) smoking, but when I saw him 2 days later, he … was smoking………. (smoke) a cigarette.

4. Lucy went to the living room. It was empty but the television still warm. Someone …had been watching………..... (watch) it.

5. I ...played……… (play) tennis so I had a shower. I was annoyed because I … didn't win……… (not win) a single game.

6. They …were talking………..… (talk) in the park when storm broke.

7. The man …… payed…………….. (pay) for his new car in cash.

8. I …… had already eaten………. (already/eat) breakfast by the time the others woke up.

9. It ……was snowing……….. (snow) for three days when suddenly the sun came out.

10. Sam ……worked…………… (work) here for six years before he left to go to university.

11. Liz…… went…………… (go) to the Bahamas for her holidays last year.

12. We …… were watching………….. (watch) a film on TV when our guests arrived.

13. They …had already seen……… (already/see) the film twice at the cinema when she rented it on video.

14. The teacher …… taught………. (teach) the children a song yesterday.

15. He ……was sitting……. (sit) on the train at this time yesterday morning.

16. By the time he left the office, he .....has attended..... three meetings.

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câu 1 : waiting  , : waiting  ,  câu 2 : walking  ,  câu 3 : stop  ,  smoker   câu 4 watch    câu 5 play   câu 6 talk    câu 9  : snow   câu 10 working  câu 11 goes   câu 12  watch  câu 14 teach