What class is Zhang Yongjun, the teacher of Feidong No.6 Middle School?
Zhang Yongjun, a teacher in Feidong No.6 Middle School, is a math teacher. Zhang Yongjun, a teacher in Feidong No.6 Middle School, passed the civil service examination on 20 15 and became a math teacher, so Zhang Yongjun, a teacher in Feidong No.6 Middle School, is a math teacher.