问题

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

正确答案是：

同类题型

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．I’dlike him to know th

Where did you go on vacation — .

He sent me an e-mail, _______ to get further information. [ ]