单项选择题

Sometimes, to admit ____ something wrong is not that difficult.

A．doing
B．having done
C．to have done
D．to do
<上一题 目录 下一题>
热门 试题

单项选择题
One of the first known methods of advertising is the outdoor ____ .
A．display
B．Journey
C．exercise
D．adventure
单项选择题
It was when Tom got to the office ____ the telephone rang.
A．Which
B．that
C．how
D．what
相关试题