I have Chemistry classes ____ day, Monday, Wednesday and Friday. 选择题

问题描述:

I have Chemistry classes ____ day, Monday, Wednesday and Friday. 选择题
A. each otherB. every otherC. this and otherD. all other选哪个?其他三项为什么错了?

B
每两天的 3种表达 every two days= every other day = every second day
其他都是错误表达