It is vital that the work _______ in time.【单选题】

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It is vital that the work _______ in time.

A. is done

B. be done

C. are done

D. was done

参考答案:

B

这里主语从句中应该用虚拟语气,从句谓语用 should+动词原形的形式, should 可以省略。句意:及时完成这项工作是极其重要的。

英语考试