单项选择题

Railways are the most important mode of transport for the economy.

A．way
B．factor
C．objective
D．source
<上一题 目录 下一题>
热门 试题

单项选择题
He said some harsh words about his brother.
A．proper
B．unkind
C．normal
D．unclear
单项选择题
I am going as a favor to Ann because I have to.
A．partner
B．drive
C．guide
D．help
相关试题