We were swimming in the lake suddenly the storm started.A. whenB. whileC. untilD. before

发布时间：2020-08-17 04:08:14

We were swimming in the lake      suddenly the storm started.
A. when
B. while
C. until
D. before

网友回答

(答案→)A. when
B. while
C. until
D. before
解析：句意：我们正在湖里游泳这时突然暴风来了。Be doing when…正在做某事突然；while 当……时候；until在以前；before在……以前。根据句意故选A。
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