I have finished a large part of the book ,the rest of which ()more difficult . 为什么/答案是 is为什么?谢谢1
问题描述：
I have finished a large part of the book ,the rest of which ()more difficult . 为什么/
答案是 is
为什么?谢谢1
答
从句中is 主语是the rest ，不是复数，所以用is 啊！
答
book当中的information不可数，所以用is
答
I have finished a large part of the book ,the rest of which (is)more difficult .the rest of which 中which 指前面the book 即the rest of the book 意思是剩下的部分（比较难）.这里把剩下的部分做一整体,就用...
答
is
主语是the rest of book是单数的所以用is