◎ 题干
Today the forests are getting fewer and fewer. We must ______ down too many trees.
A.keep people from cuttingB.prevent people from cutting
C.stop people cuttingD.all the above
◎ 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“Today the forests are getting fewer and fewer. We must ______ down too many trees.A.keep people from cuttingB.prevent people from cuttingC.stop people cuttingD…”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。