为什么at school 不用加the 而其他词要例如：at the dentist's

为什么at school 不用加the 而其他词要例如：at the dentist's 为什么go to school不用加the? at home 和at church中间为什么不用加the at home不用加the at the baker's为什么要加the at school at the pool 为什么一个加the 一个不加? what are the rules at your school为什么用介词at不用in 1,.为什么in class与in the classroom中,“in class”不用加the?2,it's my frist day at schoolat school可以与”in the school互换吗?3,what are some of the rules?为什么要用the?为什么要用of? 英语里have breakfast at school 不加the 可为什么swimming at the pool要加the? The boy is not happy at the new school.He has ________ friends there.为什么用few,为什么不用little at home 为什么不用in 举例说明 如果用in 后面要加the吗at home 为什么不用in 举例说明 如果用in 后面要加the吗 School starts around 9a.m.and ends about 3.30p.m.为什么这里时间前不用加at? she is going to the shops 为什么to后面要加定冠词the go to school为什么烤鱼不用加the 什么情况下才需要加the? So I have started taking lessons at the Hilltop Language School的take为什么加ing School (starts) at 8 o'clock in the morning中 为什么“start”要加S? at school和in the school怎么区别,用法有何不同英语中诸如此类的介词用法怎么用?比如at the pinic为什么用at 而不用in.on my party为什么不能at my party? 是study at xx school还是study in xx school为什么不用at呢？ ____you often(eat)lunch at school?____you often______(eat)lunch at school?为什么不用eating? I saw Ann Wearing a green dress at the school meeting.wear为什么要加ing而不加ed?