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英语
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she doesn't need to/have to leave early.和 she needn't leave early.有什么区别么?
人气：360 ℃ 时间：2019-11-14 09:09:37
解答
在第一个句子中need是实意动词,后接to do结构,而第二个句子中的need 是情态动词,后接动词原形.
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