Question

We must stop the children from_____ with fire.

A．play

B．to play

C．playing

D．are playing

Answer 1

C

试题分析：句意：我们必须阻止孩子们玩火。stop sb from doing sth阻止某人做某事，固定结构，故选C
点评：此类动词固定句型英语非常常见，还有protect sb from doing 保护某人免遭…，prevent sb from doing 阻止某人做某事,keep sb from doing sth阻止某人做某事,都是相同的意思，注意区分不同的用词。