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

题型：不详难度：来源：

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

A．play

B．are playing

C．were playing

D．have played

答案

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.

举一反三

－Have you ever been to Shanghai?
－Yes. I ______ there with my father last year.

A．went

B．have been

C．have gone

D．had gone

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—Is Mike at home?
—No. He _______ with his brother.

A．swims

B．was swimming

C．is swimming

D．swam

题型：不详难度：| 查看答案

Sally and Simon ________ fishing together next weekend.

A．go

B．went

C．will go

D．were going

题型：不详难度：| 查看答案

Tina _______ England with her parents three years ago.

A．visits

B．visited

C．will visit

D．was visiting

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—What were you doing at this time yesterday?
—I ______ on the grass and playing with Tony.

A．sit

B．sat

C．am sitting

D．was sitting

题型：不详难度：| 查看答案