单项选择题

If the earth suddenly ______ spinning, we would all fly off it.

A．stopped
B．had stopped
C．has stopped
D．would stop
<上一题 目录 下一题>
热门 试题

单项选择题
I wish I ______ longer this morning, but I had to get up and come to class.
A．could have slept
B．might have slept
C．slept
D．have slept
单项选择题
They've decided to freeze the ______ at last year's level.
A．grand
B．grind
C．ground
D．grant
相关试题