题干

We are tired of doing ________ homework every day; most of _______ is of no use but of  
mechanical drill.
A.a lot of; itB.the number of; which
C.a number of; itD.a great deal of; which
上一题 下一题 0.64难度 单项选择 更新时间:2012-05-22 06:32:02

答案(点此获取答案解析)