◎ 题干
用方框中所给词组的适当形式填空。
be harmful to,   cut off,   in public,   be supposed to,   take up
1. We each               protect the environment.
2. Students shouldn't play computer games. It will               too much time.
3. Don't spit              . It's our duty to protect the environment.
4. The new factory               our view of the hills.
5. Reading in bed               our eyes.
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◎ 解析
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◎ 知识点
    根据n多题专家分析,试题“用方框中所给词组的适当形式填空。 be harmful to,cut off,in public, be supposed to,take up 1. We each protect the environment. 2. Students shouldn't play comp…”主要考查了你对  【单词、词组】【实义动词的单数第三人称形式】【系动词】【一般现在时】【一般将来时】【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。