when 和while引导的状语从句中有什么区别
when 和while引导的状语从句中有什么区别
英语人气:800 ℃时间:2019-09-09 12:12:46
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when引导的句子可用瞬间和持续性动词while引导的句子动词一般是持续性动词My mother was cleaning the floor while(when)my father was tidying up the shelf.When(不能用while)he came in,we are talking loudly....
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