◎ 题干
May we leave the classroom now? No, you _____. You_____ to leave until the bell rings.
A.mustn’t, are allowed B.don’t have to , are supposed
C.needn’t , aren’t allowed D.can’t , aren’t supposed
◎ 答案
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◎ 解析
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◎ 知识点
    根据魔方格专家分析,试题“May we leave the classroom now? No, you _____. You_____ to leave until the bell rings.A.mustn’t, are allowedB.don’t have to , are supposedC.needn’t , aren’…”主要考查了你对  【被动语态】  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。