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英语
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The reason why they had to leave wasn't explained to us.为什么用 had to 而不用must
人气:351 ℃ 时间:2020-02-10 03:15:14
解答
had to - - - -指的是已经“过去”的事情,must通常是指“将来”的事情.你的句子里 wasn't 是“过去”的事情呀.这说明他们已经离开了.就必须用had to
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