I have finished a large part of the book,the rest of which___ more difficul最好给我一些解释啊

问题描述:

I have finished a large part of the book,the rest of which___ more difficul
最好给我一些解释啊

is呗

is,the rest of which一本书的后半部分,是书的一部分,仍然用单数。

is
我完成了书的很大一部分,剩下的(书的一小部分)更难
一本书的一小部分,肯定是单数,所以用is

可以填is或者seems
就是说,我读完了书的一大部分,剩下的似乎要更难一点。