单项选择题

______ the balcony, it could have saved me a lot of troubles.

A．Have I known
B．Had I known
C．I have known
D．I had known
<上一题 目录 下一题>
热门 试题

单项选择题
It is not easy to learn English well but if you ______ , you will succeed in the end.
A．hang up
B．hang about
C．hang onto
D．hang on
单项选择题
People of one culture who move to a country where another culture dominates may ______ their old ways and become part of the dominant culture.
A．keep up
B．give up
C．look black at
D．clear away
相关试题