◎ 题干
- Some students often drop litter carelessly in our school. What can we do?
- We can _______ some signs to remind them not to do that again.
A.put upB.put offC.put awayD.put on
◎ 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“- Some students often drop litter carelessly in our school. What can we do?- We can _______ some signs to remind them not to do that again.A.put upB.put offC.…”主要考查了你对  【实义动词的单数第三人称形式】【实义动词】【动词短语】  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。