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如何区分when.while.as.before after.as soon as until时间状语从句的主句和从句
人气:298 ℃ 时间:2019-08-18 20:43:05
解答
1、while, when和as ①as, when 引导短暂性动作的动词. Just as / Just when / When I stopped my car, a man came up to me. ②当从句的动作发生于主句动作之前,只能用when 引导这个从句,不可用as 或 while. When you...
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