◎ 题干
用括号内所给单词的适当形式填空。
1. This toy Is not____(suit) for young children.
2. There____(use) to be a lot of birds here, but now we can hardly see them.
3. The heavy rain stopped the visitors____  (climb) the mountain.
4. They often collect waste paper and bottles for____(recycle) to protect the environment,
5.--What're they doing?
   --They're____ (wait) for a bus.
◎ 答案
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◎ 解析
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◎ 知识点
    根据n多题专家分析,试题“用括号内所给单词的适当形式填空。1. This toy Is not____(suit) for young children.2. There____(use) to be a lot of birds here, but now we can hardly see them.3…”主要考查了你对  【形容词】【动名词】【一般过去时】【现在进行时】  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。