(By the time) she got to class,the teacher has already started teaching Awhen Bbefore
(By the time) she got to class,the teacher has already started teaching Awhen Bbefore
为什么不能用before?
对不起
应该是 had already started..
为什么不能用before?
对不起
应该是 had already started..
英语人气：761 ℃时间：2019-08-18 17:00:37
优质解答
原来用的By the time是指一个时间点,所以应当用when.before 是一个时间段了.
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