It was recommended that they ______for the doctor.

20 查阅

It was recommended that they ______for the doctor.

A. has waited

B. waited

C. should wait

D. should have waited

参考答案:

C【参考分析】在“It is+表示提议、要求、命令等含义的动词过去分词+that分句”这一结构中,从句谓语动词用“动词原形”或“should+动词原形”表示虚拟语气。