it(has proved)that chinese has made great progress.为什么said不行

如下.问题补充中.应该选什么?为什么?It —— that China has achieved her dream of flying to space.A.said B.proved C.has proved As it happened,my advice _____to be wrong.A.proved B.was proved C.has proved D.provesAs it happened,my advice _____to be wrong.A.proved B.was proved C.has proved D.proves It has been proved that his theory is practical 怎么变为 His theory has been proved ( )如题 it(has proved)that chinese has made great progress.为什么said不行 It’s believed that a man is innocent until _guilty.A.to prove B.proved C.having been proved D.to have proved. It has been proved that qats will.It has been proved that rats will,when given a choice over a period of time,prefer water with vitamins to water帮忙翻译成中文! It has been proved that...请帮我对这个主语从句举个例句并释意谢谢 It proves that ...,还是it is proved that...? His theory___to be true. A.proved B.was proved C.is proved D.has been proved(为什么不用被动,是proved的固定形式吗?） 请问有it is proved that 我记得有it was proved that 不知道有没有it is proved that ______ was his advice that it proved to be worthless._____ was his advice that it proved to be worthless.A.So B.Such C.That D.One选哪一个?以及为什么~ she ________herself to be good at typewriting.A.was proved b.has been proved C.proved d.is being proved 为什么选C It turned out that the theory my father stuck ( to proved )wrong?搞不懂.TO PROVED prove的一个用法是不是只能说A证明B 而不能说B被A证明?那么It has been proved that..是不是错的 65806：it has also been proved by scientific research that children wo often eat fish can be cleverer.想知道：taht引导的是什么从句? 英语翻译Du you find getting up in the morning so difficult that it’s painful?This might be called laziness,but Dr.Kleitman has a newexplanation.He has proved that everyone has a daily energy cycle. the Beijing Olympics have proved that China has the ability to such responsibilities.A.stand B. load C. bear D. burden –Why is Professor Johnson unhappy these days?--Can’t you see it clearly?The reason is that what he insisted on ___ wrong.A.proving B.to prove C.proved D.being proved