I have English class on Tuesday.为什么没有an或是class用复数呢?

问题描述:

I have English class on Tuesday.为什么没有an或是class用复数呢?

因为class 是可数名词,要不加冠词,要不用复数,因为English是元音开头,故用an
I have an English class on Tuesday.
I have English classes on Tuesday.