We were swimming in the lake suddenly it began to rain heavily.Awhen BwhileCunt

发布时间:2020-08-17 06:09:38

We were swimming in the lake      suddenly it began to rain heavily.
Awhen
Bwhile
Cuntil
D. before

网友回答

(答案→)A. when
B. while
C. until
D. before
解析:考查连词:句意:我们正在湖里游泳这时突然下雨了。当一个动作正在、已经或即将发生时,突然出现了一个预料不到的动作,这个预料不到的动作要用并列连词when引导,when的意思是“这时”,“就在这时”. B. while当…时候,表示“一段时间”,C.  until直到,D. before在…前面,答案为A.
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