A bottle weighs more after air is put in ,________proves tha

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A bottle weighs more after air is put in ,________proves that air has weight.A we B it C which D
that 求详解,感激不尽.

A bottle weighs more after air is put in ,__B_____proves that air has weight
一个瓶在装入空气后更重了证明空气有重量的.
选B it作形式主语代指前半句话. 前半句是句完整的句子,不能用that which 因为句子不缺成分时不能用代词that/which 排除CD A选项we 和前半句的主语a bottle不符所以选B
再问：为什么不能选which 形成非谓语

帮忙做一道改错题：A container weighs more after air is put in,（it） pr 求 English is a l___ aii around the world .People in more tha 求翻译 Love is in the air I put on a gas mask.） There is --- honey in the bottle.Please get me more. 英语翻译If I could save the time in a bottle the first thing tha there is more f______ air in the country. This bottle is empty.Could I ( ) a full one,please?A、put B、h 对话排序(英语）（）She weighs 45 kilograms.（）How tall is she?（）Tha 1.the little girl put her hand in a bottle to get some candy is a bottle of water in the fridge bottle of是画线部分,求提问 There is a few orange in the bottle.(改错） there is a bottle in the refrigerator 用where提问