Question

【题目】—What are they doing? ( )

—They are ________ music.

A.listeningB.listen toC.listening to

Answer 1

【答案】C

【解析】

句意：—他们正在做什么？—他们正在听音乐。听音乐listen to music，考察现在进行时be doing，用listening to music，故选C。