单项选择。请在下列各题所给的四个选项中选出最佳选项---Howdoyouimproveyourlistenin...

问题详情：

单项选择。请在下列各题所给的四个选项中选出最佳选项

---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

【回答】

C

知识点：介词和介词短语

题型：选择题