at home不用加the at the baker's为什么要加the

at home不用加the at the baker's为什么要加the at home 和at church中间为什么不用加the 为什么at school 不用加the 而其他词要例如：at the dentist's 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at the shop 为什么要加the 有什么规律吗?请举例说明 为什么at home 不加the 而at the race加the? at the same times as为什么要加s My father is the tallest at home.这个句子为什么不能再home前面加the? We were at the baker's on February 22nd?at the baker's划线 怎么改 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? I was at church on the monday 为何要加不用加the? stay at home为什么要加at?