I have finished a large part of the exercises,the rest of which ____for Mr.Li.请问这里用is还是are?

问题描述:

I have finished a large part of the exercises,the rest of which ____for Mr.Li.
请问这里用is还是are?

is

is
a part of exercise用is

选 are
exercise 的复数指“练习题,试题,问题”是可数的.
这句话是说“我已经做完了大部分的题目,剩下的是留给李先生的.

is
the rest表示一个抽象的概念,故用做单数