题目内容
He improved his English a lot ______ listening to the radio.
A. with B. by C. for D. on
B
【解析】
试题分析:by+doing表示靠……方法;手段; with是带有,具有; for 是为了,表示目的;句意:靠听收音机他的英语提高了很多。结合句意,故选B
考点:考查介词的辨析
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