at the farm 跟on the farm 有什么不同?主要是语法解答.

at the farm 跟on the farm 有什么不同?主要是语法解答. 英语翻译是at a farm 还是on the farm 在农场上是on the farm还是in the farm还是at the farm? my uncle works on a farm now. 什么用介词on 而不用at on the farm =at the farm 谢谢书上印的 ：at on the farm =at the farm 谢谢 on the farm Animals on the farm: on farm on the farm 区别 has he _____(arrive)at the farm on time on the farm 在农场? I______ride horse on the farm. 是in the farm 还是 on THE FARM 第二题是on the farm还是in the farm? on the farm 和 in the farm的区别 on the farm 为什么不是in the farm school things British English on a farm in the day at the right time on the in the farm 不好意思, on the farm为什么要加the on the farm 为什么用on