题目内容
--Morn, must I clean my room now?
--No, you . You can do it tomorrow.
A. can't B. needn't C. mustn't D. shouldn't
【答案】
B
【解析】考查情态动词的用法。根据后面的补充,可以在明天做,那此处是没必要的意思,用needn’t。用must提问,不用mustn’t “不许”回答。
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—Morn, must I clean my room now?
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