at post office 和in the post office一样吗?

at post office 和in the post office一样吗? I can buy stamps at the post office 为什么用at不用in? His mother doesn't work at the post office any more.(改为同义句)His mother ___ work at the post office ___ ___. hand cancel at post office是什么意思 There isnt a post office in the neighborhood,怎样改成反义疑问句 My father is in the post office.(用in the post office提问） Turn right,the post office is ______ your left .A at B on C in D from Where is the nearest post office? _____the street A At the end of B In the end of 在邮局 用英语怎么说?如题,我查过,有at the post office 和 in the post office 哪种是正确的?或都是对的,但有区别吗?或都是错的,那正确的是什么?请一一回答我, 英语翻译have a post office in here?是否可以省去in:have a post office here?这种情况下,我用at会出错吗?以上翻译有错吗?我发现有时候越简单的句子越是困惑. 填空 it _________________ (take) to the nearest post office. In the post office, all the letters ___it _________________ (take) to the nearest post office. In the post office, all the letters _________________ (sort) by hundreds of post office work 连词成句:post at office right the turn Turn left at the post office改否定句 at,post office,the,get,off怎么连词成句 at get post off the office 怎么连成句子 you can buy stamps at the post office 翻译 ——（向右拐）at the post office his mother doesnt work at the post office any more his mother ____work at the post office _____ ___