有关英语“职业”的句子

问题描述:

有关英语“职业”的句子
有关英语的,职业的句子 必须是句子不是对话 更不是单词

A teacher is a person who teaches knowledge to the students.A cleaner is a person who keeps clearn in a certain area.A pliceman is a person who keeps the social security and order of the society.A doctor is a person who treats patients,cures their diseases and keeps people healthy.