单项选择题

I know. But sometimes it is ______ it.

A．hard to not do
B．hard not to do
C．not hard to do
D．hard not doing

<上一题目录下一题>

热门试题

单项选择题Not only ______ me, but they hadn't done a very good repair job either.

单项选择题The young mother tried her best to keep her temper, but in the end her patience ran ______.