The doctor is now very busy ,many patients are waiting___ outside his office.a,to examineb,to be examiningc,to be examinedd,examination选哪个,为什么?

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?

c “被检查”用被动语态

c,to be examined
患者被检查的被动形式

C,是指病人等着被诊断,是被动语气