题目内容
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】
D
【解析】
试题分析:否定回答可用can't,mustn't或may not,may not 可能不,can't 不能够,mustn't 一定不,禁止;be allowed to被允许做某事;be supposed to应该,被期望做某事;句意:我们现在可以离开教室吗?不,你们不能。你们直到铃响才能离开教室。结合语境可知前文用can’t,mustn’t语气较重,may not语气太轻。同理,be allowed to语气则太重,故选D,为最佳答案。
考点:情态动词与固定短语辨析
点评:本题四个选项在表达含义上比较接近,最大的区别就是表达语气的不同,解答此类题型一般是在弄懂题意的基础上,结合语境具体分析。
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