1)While I (was waiting/waited/have waited) for him to call up, he (had/was having/have had) a good time in the bar.
2) She(has written/wrote/was writing)this exercise yesterday at 8 o'clock.
3) He(has invited/was inviting/invited) me to the party yesterday.
4) I( passed\have passed/was passing) my exam in history to day.
5) He (read/has read/was reading) a book two days ago.
6)They(have seen/saw/were seeing) this film last week/
7) She(painted/has painded/was painting) the picture when I came.
8)I(wade/have made/was making)my report when you entered the ball.
9) They(learnt/were learning/ have learnt) the new words yesterday from three till seven.
10)It(rained/has rained/ was raining) this week.
11)She (was having/had/has had) a bath at seven o'clock last night.
12)She (was washing/washed/has washed) dishes already.
13)They (had/have had/we're having) supper when the telephone rang.
14)I (didn't meet/ haven't met/was not meeting) you for ages.
15) last summer he(has gone/was going/went) to the Caucasus.
16)she was thoughtfully looking at him while he(read/was reading/has read) a newspaper.
17)While I (swept/was sweeping/has swept) the floor,Mrs.Parker began cooking.
18)I just (had/have had/was having) a telegram to say that my poor friend is badly ill again.
19)we (sat/we're sitting/have sat) in silence for a few minutes.
20)while she(washed/was washing/has washed up),she (was hearing/heard/has heard) the doorbell,the voices.

1. was waiting; was having2. wrote3. invited4. have passed5. read6. have seen7. was painting8. was making9. were learning10. rained11. had12. has washed13. were having14. haven't met15. went16. was reading17. was sweeping18. have had19. were sitting20. was washing; heard