I have worried before I came to the new school.for my classmates here are very friendly to me．( )A．mightn'tB．mustn'tC．needn'tD．couldn't 题目和参考答案——青夏教育精英家教网——

题目内容

11．I __________ have worried before I came to the new school，for my classmates here are very friendly to me．（　　）

A．

mightn't

B．

mustn't

C．

needn't

D．

couldn't

分析句意：在我去新学校之前我没有必要担忧，因为我这里的同学对我很友善．

解答答案C．mightn't"不可能"；mustn't"禁止，不允许"；needn't"没必要"；couldn't"不可能，不能"．因为我的同学对我很友善，所以我没有必要担忧，故答案选C．

点评抓住题目的突破点，由句子中的因果关系可以确定选C．

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