单项选择题

Not until I began to work ______ how much time I had wasted.

A．have I realized
B．I have realized
C．did I realize
D．I realized
<上一题 目录 下一题>
热门 试题

单项选择题
He told me that I ____ be present at the ceremony.
A．could
B．would
C．should
D．might
单项选择题
This is one of the longest bridges that ______ on this river.
A．is ever built
B．has ever been built
C．was ever built
D．has ever built
相关试题