The man is very ill and he has .A. operate onB. to be operated onC. to operateD. being ope

问题补充：

The man is very ill and he has .

A. operate on

B. to be operated on

C. to operate

D. being operated on

答案：

A. operate on

(答案→)B. to be operated on

C. to operate

D. being operated on

解析：句意：这个人病得非常严重，他需要手术。结合语境可知下文主语是动作对象，故用被动语态。短语have to必须，不得不。故选B。