问题
选择题
At last the boy was made and began to laugh.
A．stop crying
B．to to stop to cry
C．to stop crying
D．stop to cry
答案
答案：C
被动语态与非谓语动词 make, have, see 等动词在变为被动语态时要把省略的不定式符号to补出来；stop to do “停下来去干…”； stop doing“停止做…”
句意为“小男孩停止哭笑了起来”