Giải dùm mình bài này với. Mình cần gấp 
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III. Give correct form or tense of the verb.
16. Nicole (not go).
on vacation next summer if she (not save)
enough
money.
17. We wasted our money (go)
18. We (be),
to that movie. It was very boring.
to Ha Noi three times this year.
his leg.
19. John was skiing when he (break)
20. So far, over 40 people (kill)
by the H7N9 avian flu.