问题
选择题
_____ is hard is to do good all one's life and never do anything bad.
A．He
B．It
C．That
D．What
答案
答案：D
搜题请搜索小程序“爱下问搜题”
_____ is hard is to do good all one's life and never do anything bad.
A．He
B．It
C．That
D．What
答案：D
