问题补充:
The policeman did his best to make the baby.
A. to stop crying
B. stop crying
C. to stop to cry
D. stop to cry
答案:
A. to stop crying
(答案→)B. stop crying
C. to stop to cry
D. stop to cry
解析:句意:警察尽最大努力让那个婴儿停止哭泣。make sb do sth让某人做某事,不定式作make的宾语补足语省去to。stop doing sth停止正在做的事情,stop to do sth停下去做某事。故填B。