He has been playing sports ___ （for或since）o'clock in the afternoon.要理由我填for了，谁告诉我个有力搏击老师的理由

He __tennis every day since he__sixteen A has played...is B played...hasbeen Cwas playing..hasbeenD has been playing...was He's been playing golf for ten years..He 后面是 has 将he has been playing comquter games for two hours改为同义句 he has been playing the piano for a long time(改为一般疑问句) Look, john has been playing on the playground for about 30 minutes and he still____A has been Bdoes c has D is 选什么?详细过程 81.He _____ tennis every day since he ______ sixteen.A.has played...isB.played...has beenC.was playing...has beenD.has been playing...was选C 为什么?为什么不是选D 紧急 The little boy is dirt from head to foot because he _____ in the mud all morning.A.has played B.is playing C.has been playing D.was playing 是用过去完成时 还是现在完成进行时 long has he been away? Look,john has been playing on the playground for about 30 minutes and he still____A has done B is being done Cdoes Dis done 选择什么? when和since有什么区别?The man has been playing the guitar ___ he was a boy.为何这里只能填since? He has never been abroad,has he?怎么翻译 问两题英语转换句子.He really likes to play basketball.He is______ _____ playing basketballShe has been a teacher for ten years.She has ____ ___a teacher for ten years. he has been to beijing.什么时态? 翻译: He has been dozens of times. he has been there _twice____.画线提问 he has been in english since last He has been here ___since yesterday.___ He has never been there.英译汉