in school/ at college/ in university/ on a gap year 的区别RT,Thx

in one school 还是 at one school in school、at school 分别怎么造句? at different school还是in different school In school 恰当还是 At school 恰当? at school和in the school和in school区别 at school和at the school和in school 和in the school 的区别 请问in school,at school,in the school和at the school的用法, in school/in the school和at school/at the school有什么区别? in the school ,at the school ,in school 和at school 这几个短语如何区分? She works (in) a school.还是(at) He works__________(in,at)a school. At which school wore you in Class123? school前介词加什莫?IN?ON?AT? What year r u in at school? at school与in the school的区别 at school 和in the school 的区别 at the school与 in the school有何区别? 是at one's school 还是 in one's school