The children _____ a P.E.class on he playground when it suddenly began to rain.A.have B.are having C.had D.were having

问题描述:

The children _____ a P.E.class on he playground when it suddenly began to rain.
A.have B.are having C.had D.were having

答案:D. were having

译文;孩子们在操场上上体育课,但突然下起雨的时候。

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d,句子的意思是孩子们正在上课的时候,这时下起了雨,应该用过去进行时

选D
过去进行时。首先排除A和B,因为后面when引导的时间状语用的是began(begin的过去时),此句主要强调的是“在突然下雨的那一刻孩子们正在上体育课”,那时孩子们正在……所以是D。
过去进行时一定要有明确的时间状语才可以使用,比如此处的when it suddenly began to rain.希望我的回答帮助到了你^_^~

D. were having
过去进行时

D,过去进行时