用所给单词的适当形式填空。1. Have you ______ (do) anything to keep the water clean?2. Project Hope has built schools and ______ (library).3. Our city _____

◎ 题干

用所给单词的适当形式填空。
1. Have you ______ (do) anything to keep the water clean?
2. Project Hope has built schools and ______ (library).
3. Our city ______ (change) a lot since 2001.?
4. The girl left the classroom without ______ (say) anything?
5. All of us want to know how ______ (play) computer games.

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◎ 解析

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◎ 知识点

根据n多题专家分析，试题“用所给单词的适当形式填空。1. Have you ______ (do) anything to keep the water clean?2. Project Hope has built schools and ______ (library).3. Our city ______…”主要考查了你对【可数名词（单数名词，复数名词）】，【不定式】，【分词】，【动名词】，【现在完成时】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。

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