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

試題分析：句意：Mary,你是怎么提高聽力技能的？我經常通過聽磁帶和英語電臺來提高。By doing sth.通過做某事，by表示方式，故選C。