He ______ while I was studying.

admin2009-08-17  32

问题 He ______ while I was studying.

选项 A、played
B、plays
C、was playing

答案C

解析 本题考查动词时态。while引导的从句用过去进行时,主句的动词若是延续性动词,那么时态也应用过去进行时。
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