Question

【题目】Though it was very late, she kept ________ for her son's call.

A.waitB.waitedC.to waitD.waiting

Answer 1

【答案】D

【解析】

句意：虽然已经很晚了，她还在等儿子的电话。

本题考查非谓语动词。wait是动词原形；waited是过去分词或过去式；to wait是动词不定式；waiting是动名词或现在分词。keep doing sth一直做某事，故选D。