单项选择题

（）for your help, we never have been able to overcome the difficulties.

A．Had it not
B．If it were not
C．Had it not been
D．If we had not been

<上一题 目录 下一题>
热门 试题

单项选择题
Some of his suggestions have been adopted but others have been turned（）as quite impractical.

A．away
B．back
C．our
D．down
单项选择题
I am sorry that you（）do such a thing

A．would
B．can
C．should
D．may
相关试题