问题
选择题
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
答案：B
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。