【哪个对】为什么 It proves right.It is proved right.

【哪个对】为什么 It proves right.It is proved right. 英语句子挑错.四个选项,看错在哪个,麻烦解释一下为什么错了.　　46.A (A)container weighs (B) more after air is put in (C),it (D) proves that air has weight. The doctors will operate if it proves necessary,but it may not ____ this.come to 为什么 prove为什么有时是用主动 有时用被动 比如It has been proven that.her action proves that. It proves that ...,还是it is proved that...? hope so too 与hope it too哪个对?为什么? hope so too 和hope it so 哪个对?为什么 It proves to be true for common people that where there is love there may be a miracle.为什么prove不是被动? 帮忙做一道改错题：A container weighs more after air is put in,（it） proves that air has weightA container weighs more after air is put in,（it） proves that air has weight这里面的it为什么错了,应该改成什么? the boys enjoy playing it和the boys enjoy to play it哪个对 为什么 when we were watching it和while we were watching it哪个对,为什么? it is of benefit…和it is of benefits…哪个对 为什么? what date was it?和 what was date it?哪个对?为什么? sure about it,sure of it,哪个对?为什么?有什么区别？意思一样吗？ It's so cheap a book.和It's so a cheap book.哪个对?为什么? What a dangerous scene it is!How dangerous the scene it is!这两个句子哪个对?哪个错?为什么 (初中英语)It can be stayed for ever还是It can last for ever请问哪个对哪个错?为什么? 哪个对哪个错为什么