since then和 from then on有什么区别?
since then和 from then on有什么区别?
英语人气:974 ℃时间:2019-11-01 03:14:01
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since then一般用在完成时态1.But since then nothing has happened .但自那以来,什么都没有发生.from then on用于过去时态和完成时态1.From then on ,magic had to be young William 's life .从此以后,小威廉注定...
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