英语练习 61 The smartest teacher

最聪明的老师
老师：世界上哪个国家最大?
学生：俄罗斯。
老师：世界上哪个国家有最多的人?
学生：中国。
老师：本校中哪一位老师最聪明?
学生：但是……你是本校唯一的老师啊。
老师：我知道。

Which country is the biggest in the world?
Russia.
Which country has the most people in the world?
China
Who is the smartest teacher in the school?
But..you are the only teacher in the school.
I know.