问题补充:
—Do you think English songs helps to improve your English a lot?
—Yes, I think so.
A. listen to
B. listening
C. listening to
D. to listen
答案:
A. listen to
B. listening
(答案→)C. listening to
D. to listen
解析:句意:你认为听英语歌曲有助于提高你的英语水平吗?——是的,我想是这样。动名词做主语表示抽象的动作,结合语境可知选C。