at school 和in the school 的区别

at school和at the school和in school 和in the school 的区别 at school和in the school和in school区别 at school 和in the school 的区别 in school/in the school和at school/at the school有什么区别? 请问in school,at school,in the school和at the school的用法, at school 和at the school的区别 at the school 和at school的区别 at school与in the school的区别 at school、in school、in the school有什么区别? be in school 和 be at school的区别 at the school与 in the school有何区别? at the same school 和in the same school有什么区别?