◎ 题干
—  Must I return the book this week?
— No, you ____. You can _    it for 20 days.
A.mustn't: keep B.needn't; borrowC.needn't; keepD.mustn't; borrow
◎ 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“— Must I return the book this week? — No, you ____. You can _it for 20 days.A.mustn't: keep B.needn't; borrowC.needn't; keepD.mustn't; borrow…”主要考查了你对  【助动词】【介词短语】【固定搭配】【疑问词组】  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。