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SINCE用在现在完成时句子时,现在完成时的动词要用延续行为动词,SINCE后跟过去时句子.这里说的过去时是指一般过去时一种吗?It's three years since he has worked there.和 It's three years since he worked there.
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时间:2024/07/29 08:27:25
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