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  • 科目:英语
  • 题型:单选题
  • 难度:较难
  • 人气:1663
题文

The project ______ last month but unfortunately it had to be prolonged because of the financial problem.

A.needn’t have been finished B.shouldn’t have finished
C.could have been finished D.must have finished
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Theprojectlastmonthbutunfortun