[题目]Don’t watch TV. You do your homework first.A. mustn’t B. needn’t C. must 题目和参考答案——青夏教育精英家教网—

题目内容

【题目】Don’t watch TV. You _______ do your homework first.

A. mustn’t B. needn’t C. must

【答案】C

【解析】

试题分析：句意：不要看电视，你必须先写完作业。A. mustn’t 禁止，情态动词；B. needn’t 不必，没有必要；情态动词；C. must必须，情态动词。情态动词+动词原形。needn’t，同义词don′t have to。根据句意，故选C。

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