问题 填空题
用所给词的适当形式填空。
not do        wear        clean       be       play
1. Don’t                the blackboard , there’s something important on it .
2. The questions           really difficult, I don’t know the answers to them.
3. When          he usually            the piano?
4. John always             a special costume .
5. He                 his homework at school, he does it at home
答案

1.clean    2.are      3.does;play   4.wears   5.doesn’t do

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填空题