\"How many kinds of classes does he have in a

问题描述:

\"How many kinds of classes does he have in a

他一周有多少种的课要上?
顺便提一句,虽然用class来表示“课程”也是可以的,但一般course能更清楚的表示科目或课程,Class则表示45分钟一节的那种课.