the的用法.为什么at church ,at school ,at home .而 at the offic,at t

the的用法.为什么at church ,at school ,at home .而 at the offic,at t at home 和at church中间为什么不用加the at home at school at the bookshop at the muse at church和at the church 区别 at the church at school / at home为什么不加定冠词The?另外,有那些常见的介词用法? she is at the church at the pool有the和at home ,at school无the的原因 waiting at the church是哪里的? at home and at abroad.后面的the为什么去掉 请问in school,at school,in the school和at the school的用法, 英语the的用法1.i was at church on sunday.2.i was at the office on