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    41．-Why do you look so worried? -Fred left the company half an hour ago. His work unfinished since. A．left B．was left C．has left D．has been left 【查看更多】

     

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    —Why do you look so worried?  

    —Fred left the company half an hour ago. His work _______ unfinished since.

    A. left                          B. was left            C. has left                     D. has been left

    查看答案和解析>>

    —Why do you look so worried?

    —Fred left the company half an hour ago. His work _______ unfinished since.

    A．left   B．was left    C．has left     D．has been left

    查看答案和解析>>


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