I study by listening to sapes.

I study by listening to sapes. I study by listening to tapes.是什么从句? 英语翻译How do you study for a test?I study by listening to tape "I study by listening to tapes"中的"by"有什么用 1 by 2 study 3 listening 4 to 5 I 6 tapes I study fora test （by listening to the radio）对划线部分提问 by,study,listening ,to ,I,radio,the (连词成句） ( )6.Antonio likes to study by listening to cassettes.But 英语翻译How do you study for a test?I study listening to tapes.H l study by listening to tapes for the test .对划线部分提问 划线部分by l by listening to tapes翻译 I syudy by listening to tapes.这句中by的意思是什么?