You ______ to worry about that boy. He's old enough.

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1. You ______ to worry about that boy. He's old enough.

A . mustn't B . needn't C . haven't D . don't have

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使用过本题的试卷

仁爱科普版初中英语八年级上册Unit 2 Topic 2 I must ask him to give up smoking.课后练习