by listening to tapes为什么要加ing

He often learns English （by listening to the tape).对括号部分提问 By listening to the tape and repeat after it many t____ every day如题根据句意填词 they find listening to the tape is ----(use) learn English how to improve oral english by tape by listening to tapes翻译 根据要求 完成句子.1：Jack said he studied Fernch by listening to the tape. Jack ___ ___ he studird French by listening to the tape..(改否定句）2：I have studied eith a group of students. _____ yuo_____with a sroup of stubents?(改 句型转换She is listening to the tape.(DQwatch TV some learners found listening to the tape ( )because the people speak too quickly. While ( ) to the tape,you should be careful.A.listening B.listened C.listen D.listens I study by listening to sapes. 英语翻译再加上：Jane and her friend Mary are in Jane is bedroom.They are listening to a tape. 用所给词适当形式填空They find listening to the tape is ______(use) learn English. Fouad sits in the cafe,listening to the sad music playing on an old tape recorder.翻译 1.they danced( )the music( )the tape recorderA.by on B.to on C.to from D.with from2.i've run out of moneyrun out of means( )A.have some B.have little C.have a little D.have no more 请问B.D有什么区别吗?3.i have been listening to the radio( ) 英语she learns English by listening to Engish songs.就by listening to Engish songs提问she learns English by listening to Engish songs.就by listening to Engish songs提问 She learn English (by listening to tapes)(对括号提问) I study it by listening to the radio I study by listening to tapes.是什么从句?