Question

【题目】Why didn’t you stop them in the sea? It's too dangerous.

A. swimB. to swimC. swimming

Answer 1

【答案】C

【解析】

句意：为什么你不阻止他们在海里游泳呢？太危险了。Aswim动词原形；Bto swim动词不定式； Cswimming动名词或现在分词形式。本题考查动名词。stop sb (from) doing sth阻止某人做某事，doing作介词from的宾语，故选C。