Has everything ___ can be done _____?A what ;doneB that ;been doneC that already done 为什么?帮我每个选项都分析一下

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, I can’t stand him.He always talks as though he ___ everything.A.knew B.knows C.has known D.had known He has a good habit of keeping a diary to put down everything ___ he sees around himA which B that C who D whose Jim sold most of his things.He has hardly ___ left in the house.A.anything B.everything C.nothing D.something --Comeputers are so useful.They can do almost everything!--Yes.But they ___ what to do--Comeputers are so useful.They can do almost everything!--Yes.But they ___ what to doA must be told B has to be known C．has to be known D．will know Everything ___(go) well Everything Has Changed 歌词 Everything has been achanged Everything Has Changed链接 everything has changed 链接 Everything has just How are the things coming ___?-Everything has been put into the box ____ a few books.A about;except for B along;except C to;except D along;besides --Comeputers are so useful.They can do almost everything!--Yes.But they ___ what to doA must be told B will tell C has to be known D will know 没理解题. everything has gone为什么everything在前面 -How's everything going on?-___.-How's everything going on?-___.A.Everything is finished B.Everything is well C.Not so bad,you know D.Not doing wrong; you know 一日之计在于晨 Morning ____　____　___　___　everything. 一日之计在于晨 Morning ____　____　___　___　everything. Everything has gone to Everything has gone to hurt