Question

【题目】I saw Jim _______ the violin in the music room.

A. to play B. plays C. to playing D. playing

Answer 1

【答案】D

【解析】句意：我看见Jim在音乐教室里拉小提琴。to play动词不定式；plays第三人称单数形式；to playing是介词to后加动名词；playing动名词。句中谓语动词是saw，原形是see看见，其句型是see sb. doing sth.看见某人正在做某事，根据句意可知应选D。