1.was doing-was watching

2.did not pass

3.did you do     /      (did)

4.would solve

5.argueing-to work

6.to be-playing

7.to persuade-change

8.expected

9.began-were arriving

10.will close

1. I (do) was doing .......my homework while Nick (watch).. was watching...TV last night.
2. Unless they (pass). didn't pass...their examinations, they would join the army
3. What did you do............at 8p.m yesterday?
4. If we had the key now, we (solve)...would solve..............the problem of traffic jam.

5. Stop (argue)....argueing..and start (work)..to work
6. Steve used (be).to be.......a football player. He has to stop (play)..playng.. Because of an injuri
7. Don't try (persuade)....to persuade ....me. Nothing can make me (change)...change....
8. The hot weather (expect).expected....to continue while there were longer hours of sunshine.
9. The film (begin)..began...when we (arrive)..were arriving...at the cinema yesterday 
10. Tomorrow the dam (close(...will close.......to prevent salt water from entering the fields in Tien giang Province

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