____ has been done to prevent the water in the lake from being polluted.A.LittleB.FewC.OtherD.Many这道题的答案给的是A,为什么选A B、C、D为什么错了?

What ____ with the clothes?A.has been done B.has done C.have done D.have been done I don't think anything that has been done can be done.怎么翻译 九道英语单项选择1.____ the time school was over,he had finished the work.A.As B.At C.By D.When2.-I don't think it enjoyable.-____.A.So do I B.Either do I C.Neither do I D.Either don't I3.All that can be done ____.A.has been done B.has done C. 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? what done has been done has been done?在说说他的结构是什么时态? it has been done 谓语it has been done 这句话done作表语还是been done做谓语? has been done 和has been 区别是什么 Has all_can be done Awhat,done Bthat,been done Cthat,be done Dwhat,already done Everything that can be done has been done,___?A.can't itB.can itC.hasn't itD.has it答案选C．请给我讲讲, have/has been+done 是什么时? Little has been done的翻译 has been done和wasdone的区别 no harm has been done翻译 all that can be done has been done. ____all that ____ to be done 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