單項選擇。請在下列各題所給的四個選項中選出最佳選項---Howdoyouimproveyourlistenin...

問題詳情：

單項選擇。請在下列各題所給的四個選項中選出最佳選項

---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

知識點：介詞和介詞短語

題型：選擇題