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 —Iphonedyouat7:00thismorning.Buttherewasnoanswer. —Wel...

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问题详情:

 —Iphonedyouat7:00thismorning.Buttherewasnoanswer. —Wel...

 —I phoned you at 7:00 this morning. But there was no answer. 

—Well, maybe I _________ morning exercises at that time. 

A. was doing          B. did               C. is doing             D. would do

【回答】

A

知识点:动词时态

题型:选择题

标签:Wel