Question

【题目】Look! The children are having a great time ____ in the river.

A.swimmingB.swimC.to swimD.swims

Answer 1

【答案】A

【解析】

句意：看!孩子们在河里游泳玩得很开心。

考查动词非谓语。swimming动名词或现在分词；swim动词原形；to swim动词不定式；swims第三人称单数。have a great time doing sth.做某事玩得很开心，所以这里要用动名词形式，故答案选A。