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<span>1. The staff. (received) a detailed briefing in the morning.
2. I havd already (bought) a can of Coke, when my mum ................... (was coming up).
3. The whole day yesterday we (were trying) to find common features in all the cases.
4. Mrs. Smith (risked) her life to save the children in the storm.
5. While the actor (was reciting) the poem, the audience ........... (held) their breath.
6. I (noticed) that he (had been reading) the same page for 25 minutes.
7. The students (had made) all the arrangements for the party by 3 yesterday.
8. The kids (were laughing) loudly, when they (were watching) cartoons on TV.
9. Where were you (going), when Betty (met) you?
10. I (was) a member of a tennis club in my childhood.
11. Last year Danny often (played) volleyball with his friends.
12. Patrick (found) all the necessary information in the book yesterday.
13. Last September Greg (had lived) in Switzerland for seven years.
14. Lady Gaga (rose) to fame after she (had sung) a couple of hits.
15. At that moment I (saw) that a minibus had already (left).
16. Ann (felt) exhausted because she (had been doing) the gardening the whole day.
17. This time yesterday Monica (was browsing) the Internet.
18. We .. (had been waiting) at the phone till Vic . (called) to give the final answer.
19. In 2003 Gina (gave birth) to cute twin girls.
20. The professor . (began) his fundamental research 20 years ago.
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Нет,а вообще надо запомнить