注意:此页面搜索的是所有试题
题目内容
(石家庄铁道大学大学英语Ⅲ)
It was well known that Thomas Edison_______the electric lamp.
A、 invented
B、 discovered
C、 found
D、 developed
A、 invented
B、 discovered
C、 found
D、 developed
参考答案