it(has proved)that chinese has made great progress.为什么said不行
问题描述：
it(has proved)that chinese has made great progress.为什么said不行
答
也不是说不行,只是意思有点区别而已.
said, 要用 it is said that chinese.意思是据说中国已经取得伟大的进步.
而原句是：事实证明中国已经取得了伟大的进步.如此不同而已.