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【題目】 —Mr. Wang, must I come again to clean the classroom on Sunday?

—No, you____ . I have asked Kate to do it.

A. can’t B. mustn’t C. needn’t D. shouldn’t

【答案】C

【解析】

試題分析：句意：-王老師，我星期天必須再回來打掃教室嗎？-不，不必，我已經讓Kate去做了。can’t 不能，不會；mustn’t禁止，不要；needn’t 不必，沒有必要；shouldn’t不應該。must的一般疑問句的回答中，肯定回答仍用must,否定回答用needn’t，故應選C。

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