单项选择题

So little ______ about chemistry that the lecture was completely beyond me.

A．did I know
B．I know
C．do I know
D．I knew
<上一题 目录 下一题>
热门 试题

单项选择题
Had I known the result, I ______ you to tell me.
A．would not ask
B．would not have asked
C．had not asked
D．have not asked
相关试题