Question

【题目】--What’s Kate doing ? ---She is practicing ___ the piano every day.

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

Answer 1

【答案】C

【解析】句意：-Kate正在做什么？-她正在练习弹钢琴。to play动词不定式；play玩，弹奏；playing是动名词形式；plays第三人称单数形式。句中谓语动词是practice，常用于句型practice doing sth.练习做某事，故应选C。