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May we go home now?No,you___.You______ to go home until 5 o&

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May we go home now?No,you___.You______ to go home until 5 o'clock 选项如下,
A.mustn't;are allowed B.don't have to;are supposed C.needn't;aren't allowed Dcan't;aren't supposed
May we go home now?No,you___.You______ to go home until 5 o&
D
第一空,A和D都可以,mustn't表示禁止,D表示不允许,不能.但B、C不行,因为needn't和don't have to都表示“不必”,不用于回答may引起的问句.
第二空,until表示在某时刻之前一直在做某事,本题指在五点钟之前一直都不应该回家,所以选D.
am/is/are supposed to do sth应该做某事.