◎ 题干
These books mustn’t ________ out of the reading room. You have to read them here.
A. take                    B. be taken            C. be taking
◎ 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“These books mustn’t ________ out of the reading room. You have to read them here. A. take B. be taken C. be taking…”主要考查了你对  【一般现在时】【过去进行时】【过去完成进行时】  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。