Question

【题目】The little girl kept _________ to her grandpa until he was out of sight.

A.waveB.wavingC.to waveD.waved

Answer 1

【答案】B

【解析】

句意：小女孩一直跟她的祖父挥手，直到看不见祖父。

考查非谓语动词辨析。wave动词原形；waving动名词；to wave动词不定式；waved过去分词。固定搭配keep doing sth“一直做某事”，动名词作宾语，所以空格处填waving。故选B。