—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 |