Question

----How do you improve your listening skill, Mary?
----I often do it _______ tapes and English radios.

A．by hearing

B．in listening to

C．by listening to

D．for listening

Answer 1

C

试题分析：句意：Mary,你是怎么提高听力技能的？我经常通过听磁带和英语电台来提高。By doing sth.通过做某事，by表示方式，故选C。