Optional course, Required course, Day course, Evening course科目或专业：   mathematics, history, biology, physics, chemistry, literature, astronomy, etc.   Final exam, middle exam, make up test ,   pop test , quiz , oral test, drawing near,考试延期或取消   delay / be off / hold up / postpone / put off   public school , private school , religious school
学校中旳人：   president, dean, professor, lecturer   coordinator , doctor , master , bachelor，   freshman ， sophomore ， junior ， senior have a lecture, cu ...