眼镜素材:in vacation和at vacation的区别是什么？？

来源：百度文库 编辑：高考问答 时间：2024/05/04 21:57:34

1. I was on vacation when he called.
2. I was having Christmas vacation at/in Beijing.
没有 in/at vacation

两个都不通！Vacation 最多用的是:

During my vaction, I went overseas for a holiday.

in vacation和at vacation的区别是什么？？ WORK IN 和 WORK AT 的区别 at in d的联系和区别 stay in 和stay at不同？ in school 和at school 不同？ at a distance 和 in the distance on vacation和for vacation 的区别 in the hospital 和at the hospital ,in hospital,at hospital的区别 谁用过乾坤at-in v-922？？可以告诉我这个MP3怎么样吗？ in the distance和at a distance 的区别