◎ 题干
--Must I renew the book now?
--No, you _____. You _________ that before the deadline.
A.mustn't; should doB.needn’t; should have done
C.may not; should doD.can't; should have done
◎ 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 renew the book now? --No, you _____. You _________ that before the deadline.A.mustn't; should doB.needn’t; should have doneC.may not; should do…”主要考查了你对  【虚拟语气】【情态动词】  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。