◎ 题干
1. Don't let him       (go) there alone.
2. Have you finished        (read) the book?
3. All the students are busy       (clean) the room.
4. Did you hear the baby       (cry) in the next room?
5. Jack went to school without       (take) his backpack.
◎ 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“1. Don't let him (go) there alone.2. Have you finished(read) the book?3. All the students are busy (clean) the room.4. Did you hear the baby (cry) in the…”主要考查了你对  【实义动词】【分词】【动词短语】【固定搭配】  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。