单项选择题

A．or
B．but
C．and
D．nor
<上一题 目录 下一题>
热门 试题

填空题
The cure, though, might be worse than the disease. Do we really want fleets of nuclear weapons sitting around on Earth
填空题
Sounds pretty rare but if one did fall, it would be the end of the world.
相关试题