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为什么不选A?Mikecouldn'tcometothetelephonewhenMr.Smithcalledherbecausesheinthelab.A.hadbeenworkingB.hasbeenworkingC.wasworkingD.worked
题目详情
为什么不选A?
Mike couldn't come to the telephone when Mr.Smith called her because she ____in the lab.
A.had been working
B.has been working
C.was working
D.worked
Mike couldn't come to the telephone when Mr.Smith called her because she ____in the lab.
A.had been working
B.has been working
C.was working
D.worked
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答案和解析
因为 Mr.Smith打电话来和她在实验室工作是同时发生的,不存在过去的过去.所以选C 而不选A
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