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- You look tired. - Yes. I non-stop until 8 o’clock this morning. A. had worked

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- You look tired. - Yes. I non-stop until 8 o’clock this morning. A. had worked

— You look tired.

— Yes. I ___ non-stop until8 o’clock this morning.

A. hadworked         B. work            C.have worked       D. was working

 

试题答案

【答案】

A

【解析】 略