◎ 题干
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
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◎ 解析
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◎ 知识点
    根据n多题专家分析,试题“用所给词的适当形式填空。not dowearclean be play1. Don’tthe blackboard , there’s something important on it .2. The questions really difficult, I don’t know …”主要考查了你对  【实义动词】【系动词】【助动词】【主谓一致】  等知识点的理解和应用能力。关于这些知识点的“档案”,你可以点击相应的链接进行查看和学习。