It must be John. Who else would（）he does?
A、
work hard as
B、
be working as hard as
C、
do harder work than
D、
work harder than
【正确答案】：D
【题目解析】：
本题考察的是比较级的用法，那一定是John, 还会有谁工作比他还努力呀！”。
It must be John. Who else would（）he does?
It must be John. Who else would（）he does?
work hard as
be working as hard as
do harder work than
work harder than
本题考察的是比较级的用法，那一定是John, 还会有谁工作比他还努力呀！”。