Question

Becky took a photo of her friends while they _________ computer games.

A. play????????????? ????????????? ????????????? B. are playing????????????? ????????????? C. were playing????????????? ????????????? D. have played

 

Answer 1

【答案】

C

【解析】

试题分析：句意：Becky给她的朋友照了一张相当他们正玩电脑游戏时。when 引导的从句表示主从句的动作同时发生，从句用进行时，或从句的动作发生在主句动作之前，主句用将来时，从句用一般现在时。while 引导的从句表示“当……过程中”，主句动作在从句动作发生的过程中发生，从句一般用进行时。该句强调在玩电脑的过程中照的相。事情发生在过去，故用过去进行时态，所以选C.

考点：考查动词的时态。