问题补充：
He was a teacher before he left his hometown
What has him since then?
A. made of
B. become of
C. brought up
D. happened on
答案：
A. made of
(答案→)B. become of
C. brought up
D. happened on
解析：考查短语辨析。made of 由什么制作，become of 怎么了，出什么事了，brought up 培养，happened on发生，句意：他离开家乡之前是一名老师。自从那时候他怎么样了。所以选B。
