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VII. Put the verbs in brackets into the correct form:

1.    If he (study) __________________  harder, he can pass an exam.

2.    If people really cared about the environment, they (not dump) ___________________ waste into the lake.

3.    They get sick so often. If they exercised more, they (be) ________________ healthier.

4.    Four countries (visit) _________________  by John so far.

5.    Vietnam’s Independence Day (celebrate) ___________________  on September 02nd.

6.    We (visit) ____________________  Sydney Opera House for several times.

7.    Some activities (prepare) __________________  to celebrate the lunar new year now.

8.    When I came to the stadium, the match (start) _____________________

9.    Before she (listen) ____________________ to music, she (do)___________________ her homework.

10.  Last night, Peter (go) ________________________ to the supermarket before he (go)__________________________ home.


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