A-A+
It was recommended that they __ for the doctor
问题详情
It was recommended that they __ for the doctor. A．has waited B. waited C. should wait D. should have waited
参考答案
正确答案：C
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。
