单项选择题

What materials were not used for road surfaces during the last century

A．Gravel.
B．Asphalt.
C．Macadam.
D．Concrete.
<上一题 目录 下一题>
热门 试题

填空题
desultory
单项选择题
The novel A Tale of Two Cities was written by ______.
A．Charles Dickens
B．Mark Twain
C．George Eliot
D．Oscar Wilde'
相关试题