◎ 题干
—May we leave classroom now?
—No, you        . You        to leave until the bell rings.
A.mustn’t, are allowedB.don’t have to, are supposed
C.needn’t, aren’t allowedD.can’t, aren’t supposed
◎ 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“—May we leave 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’t allowedD.can…”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。