题目内容:
The project ______ last month but unfortunately it had to be prolonged because of the financial problem.
A.needn’t have been finishedB.shouldn’t have finished
C.could have been finished D.must have finished
参考答案:
The project ______ last month but unfortunately it had to be prolonged because of the financial problem.
A.needn’t have been finishedB.shouldn’t have finished
C.could have been finished D.must have finished