i didn‘t have fun _____ my day off 介词天空和

问题描述:

i didn‘t have fun _____ my day off 介词天空和

I didn's have fun on my day off.

on 在我休假的时候我玩得不愉快

介词用什么,为什么 on my day off是休息日的意思搭配跟Saturday Sunday是一样的