.Very loud noises make people ill. So we make great noiseA. must ; mustn ' t B. need ; needn ' t C. can ; mustn ' t D. must ; can ' t 题目和参考答案——青夏教育精英家教网—

题目内容

.Very loud noises ______ make people ill. So we ______ make great noise

A. must ; mustn ' t B. need ; needn ' t

C. can ; mustn ' t D. must ; can ' t

【解析】

试题分析：句意：非常大声的音乐可能会使人生病。所以我们千万发出那么大的噪音。must,can(could),may(maight) 可以表示猜测，must 表示肯定猜测，用于肯定句，肯定……，一定……；can’t,表示否定猜测，肯定不……，另外can(could),may(maight)，表示可能性猜测，可能……。mustn’t,表示禁止，根据句意可知是可能性的猜测，故选C.

考点：考查情态动词的用法。

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