9.We (wait) until the match. 10.They(leave) the room before the meeting(finish).
11.l(buy) a new camera before l (go) to London.
12.ljust(turn off) the lights when the telephone(ring).
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см. прикреплённый файл

1. had worried...heard

2.was..had thought

3.had shot

4.drunk...had finished.

5.had...folded...opened..entered

6.had brought

7.had worked..decided

8.arrived...had already gone