单项选择题

It is said in the book that Thomas Edison ( 1847 ～ 1931 ) ______ the world leading inventor for sixty years.

A．would be
B．has been
C．had been
D．was
<上一题 目录 下一题>
热门 试题

单项选择题
Don't ______ from me while I'm talking to you.
A．turn back
B．turn off
C．turn away
D．turn out
单项选择题
We don't doubt ______ he can do a good job.
A．whether
B．that
C．how
D．why
相关试题