Question

We are tired of doing ________ homework every day; most of _______ is of no use but of  
mechanical drill.

A．a lot of; it	B．the number of; which
C．a number of; it	D．a great deal of; which

Answer 1

A

本题考查修饰不可数名词的形容词短语，homework是不可数名词所以排除BC；句中分号说明第二句不是定语从句，用it 代替homework。