the old man has two sons.one is a worker;_____ is a teacher.

问题描述:

the old man has two sons.one is a worker;_____ is a teacher.
he old man has two sons.one is a worker;_____ is a teacher.
a.another b.the other
为什么不是A?
那another 也是‘另一个’

b.the other
因为只有两个,another 指的是另外的任何一个.