The children ________ on the playing ground when I left school.
A.playedB.areplayingC.wasplayingD.wereplaying...
A. played
B. are playing
C. was playing
D. were playing 展开
B. are playing
C. was playing
D. were playing 展开
1个回答
2013-08-09
展开全部
答案D
精析:此句是个复合句。以when引导的时间状语从句,从句动作发生在过去,而主语的动作发生在从句动作的当时,因此主句的谓语动词用过去进行时,其结构是“was/were+动词的现在分词”。此句中的主语children是复数,因此选择were playing。
精析:此句是个复合句。以when引导的时间状语从句,从句动作发生在过去,而主语的动作发生在从句动作的当时,因此主句的谓语动词用过去进行时,其结构是“was/were+动词的现在分词”。此句中的主语children是复数,因此选择were playing。
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