题目内容
— Why do you look so worried?
— My MacBook Pro broke down and my paper ______ unfinished since.
A. has been left B. has left C. left D. had been left
A
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题目内容
— Why do you look so worried?
— My MacBook Pro broke down and my paper ______ unfinished since.
A. has been left B. has left C. left D. had been left
A