◎ 题干
—Can we leave the classroom now?
—No, you _________. You _________ to leave until the bell rings.
A.don’t have to; are supposed B.mustn’t; are allowed
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“—Can we leave the classroom now?—No, you _________. You _________ to leave until the bell rings.A.don’t have to; are supposedB.mustn’t; are allowedC.needn…”主要考查了你对  【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。