It was not until the 18th century that man realized that the whole of the brain

题干

It was not until the 18th century that man realized that the whole of the brain was involved in the working of the mind，　　　　？

A．was it

B．wasn’t it

C．did they

D．didn’t they

上一题下一题 0.64难度单项选择更新时间:2010-12-02 04:31:20

小学学科试题库

初中学科试题库

高中学科试题库