he has made a discovery,_______ of great importance to the progress of science and technology.A.which I think is B.that I think is C.I think which is D.of which I think it is并且 分析一下其他选项!

He has made a great p______ in his math. Not only____a promise,but also he kept it.A.did he make B.he madeC.has he made D.he has made he _____ research these three years,and he ___several discoveries this year.a.has been doing ,made b.has been doing ,has made.能否说明原因？ Not only_a promise ,but also he kept it A.did he make B.he made C.does he make D.has he made请说明理由 Not only _____ a promise,but also _____ it.A.did he make; he kept B.he made; he kept C.does he make; does he keep D.he has made; has he kept He has made a great_____ in the past five years.He has made a great_____ (achieve)in the past five years.用适当形式填空 Bruce has made great progress recently.____and____.A.So he has ;so you haveA.So he has ;so you have B.So he has;so have youC.So has he; so have youD.So has he; so you have ——great progress he has made!A how B how a C what Dwhat a Tom () a lot of friends since he came to China last year.A.made B.makes C.has made He’s made to exercise every day,___________?A.has he B.hasn’t he C.is he D.isn’t he 怎幺样区别是be还是has 29.Not only _______ a promise,but also he kept it.A.has he made B.does he make C.he made D.di29.Not only _______ a promise,but also he kept it.A.has he made B.does he make C.he made D.did he make30.Not until his comrades criticized him _____to admit Experience (has) made him a 倒装结构--David has made great progress resently.--____,and_____.A.So he has ;so have youB.So he has ;so you have请问是不是选A呀? friend came he made since here tom a lot of has 连成句子 He has( )a slide show for us.请问句子空白处填made还是done? He has made a lot of films,but( )good ones怎么翻译? He has made a lot of films,but(few )good ones后面句子为何没有谓语? Tom has made great progress.He did a lot_____ (bad)last time