I’m very tired. I on the night shift for several weeks.? A. worked B. had worked

I’m very tired. I _______ on the night shift for several weeks.?

A. worked B. had worked

C. have been working D. have worked?

试题答案

C?

解析:

指过去到现在一直进行的动作。由于“上夜班到现在仍未终止”，故应用完成进行时而不用现在完成时。