题目内容
----Have you seen Mr. Black these days, Jack?
----Yes, I met him when I ________ in the street yesterday.
----Yes, I met him when I ________ in the street yesterday.
A.walked | B.was walking | C.have walked | D.is walking |
B
在when 引导的时间状语从句中,when引导的从句的动词可以为延续性动词,也可以是短暂性动词,表示主句的动作发生在从句的动作之中,故选B
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