The doctor is now very busy ,many patients are waiting___ outside his office.a,to examine

分类: 作业答案 • 2022-01-09 18:03:45

问题描述：

The doctor is now very busy ,many patients are waiting___ outside his office.a,to examine
b,to be examining
c,to be examined
d,examination
选哪个,为什么?

答

C,是指病人等着被诊断,是被动语气