The doctor has done everything he can _____ (save)the patient.It 's a waste of time to spend so much time on computer games.(保持句意不变）It isn't _____ ____ so much time on computer games.

The doctor has done his best to save the ______ boy(die) What ____ with the clothes?A.has been done B.has done C.have done D.have been done I like the films she has made用has done has had done的时态?David has had done to the website.这是教材原文. 改同义句 ：He has done all the work He has 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 英语翻译has done his time.seen the last of what has been done with the old books ? what has the man done to help?翻译~ someone who is guilty has done something---the law The doctor has told you to take the medicine three times a day.why don't you do so?这句英文里,为什么用现在完成时?has+done,难道那医生一直从过去跟他说到了现在?我能去掉那个has么？ 1.The doctor did all ____ to save the wounded boy填he could ,在这里是不是all 后面的that 可以省略呢来引导定从?2.Has ____ must be done been done?a.all b.all that c.that d.it这里为什么选B?如果修饰先行词 all的话,为什 A lot __to save the old man's lifeA have been done B has been done you may surf the interent if your workA has done B have done C will be done Dis donr the serious air pollution has done severe harm to people's health这里的has done怎么理解 all the efferts that someone has done is ----- has done 之后能直接加动词is么? 请翻译：The boy told the doctor the story done to him and also that of his A doctor has a brother,but the brother has no brother.How could that be?