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】

 

題目列表(包括答案和解析)

—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

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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>>


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