what has been done with the old books ?

what done has been done has been done?在说说他的结构是什么时态? What ____ with the clothes?A.has been done B.has done C.have done D.have been done what has been done can not be undone It's no use regretting what has been done. what has been done with the old books ? America has never been about what can be done for he seems very w---about what he has done “I never see what has been done ,I only see what remains to be done. what had been done had been done. what( )with the old books?a.has been done b.has done c.have been done d.have done 为何用被动语态 One never notices what has been done; one can only see what remains to be done.中文意思是什么? can be done has been Everything that can be done has been done 中can be done has been done has been doing have been done区别 what has ___has been done?A been doneB to be done C to doD done句子翻译还有为什么选那个?能不能说明下 为什么。 I am sure Mary has been here and _.A.did what required her B.has done what required her C.has done what was required of her D.did what has been required of her为啥选C啊 has been done,had been done 的区别是什么? _ can be done has been done.A.All B.All that C.All what D.Anything 定语从句练习All___should be done has been done. A.what B.which C.that D.whatever