After graduation I became______.A. those unexpect

My father has worked in this school ___ he graduated from college.A、sinceB、forC、after

Thats______.A．how did I become a teacherB．how I became a teacherC．how a teacher I becameD．

After he left the university, he became a teacher, but later he ______ tojournalism.

After thinking hard about why I did not have enough time for my schoolwork, I became _____

This is an article that______.A. those unexpected

Before 20 years old I had______.A. those unexpect