题目内容

—I called you at about 8:30 last night, but nobody answered.

—Oh, I ________in my office at that time.

A. worked B. was working C. will work

 

B

【解析】

试题分析:at that time在那时,指对方打电话的时候,故应该用过去进行时,was/were+doing,故选B

考点:考查过去进行时的用法

 

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