It's Sunday,_______we don't have classes 填(and 或 but 或 or 或 because)

问题描述:

It's Sunday,_______we don't have classes 填(and 或 but 或 or 或 because)

答案:and
and 表示“和,又”,表示并列和继承关系,but 但是,表示转折关系,or 或者,表示选择关系,because 因为,由于,引导原因状语从句.