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英语
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英文mustn't,don't have to,doesn't have to,didn't have to有什么区别
这几个词各自的意思是什么?
我是在做练习时遇到这题目.要我选择哪一题用哪一个词.
人气:374 ℃ 时间:2019-11-24 01:12:08
解答
mustn't,比don't have to语气强烈,其他的就是时态和第几人称的问题
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