A lot (has been done)to save the old man's lifeA lot (has been done)to save the old man's life.为什么要这样填

A lot __to save the old man's lifeA have been done B has been done A lot (has been done)to save the old man's lifeA lot (has been done)to save the old man's life.为什么要这样填 a lot of work___by robots in that workshop every day我觉得是is done,那是不是has been done A lot of things ____ by people to save the little girl now.A.are doing B.are being done C.has been done D.will be do What ____ with the clothes?A.has been done B.has done C.have done D.have been done In the past ten years,the man has been____a lot.A,surffingB,suffering fromC,surfferedD,suffered from可是为什么选A？不是has been done么？ 19.All that can be done .　　A.have been done B.have done C.has been done D.has done顺便,翻译一下这句话吧 Much___to fight against pollution.A.have been done B,has been done C,had been done D.has done为什么是选B? All__can be done has been done.A.that B.who C.whAll__can be done has been done.A.thatB.whoC.whichD.of which选什么,句子意思是? 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 —How are things getting on?—All that can be done____.A.has been done B.have been done C.has done D.have done All that can be done__________.A.has been done B.has doneC.have been doneD.have done His English has been improve a lot .His English has improve a lot. 英语被动语态的题A lot of things ____ by people to save the little girl now.A.are doing B.are being doneC.has been done D.will be done为什么选C不选B 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 has been done,had been done 的区别是什么? ------work has been done,has it?A.few B.a few C.little D.a little