He was raised by his grandmother on a farm.为什么是on a farm?

He was raised by his grandmother on a farm.为什么是on a farm? He raised the baby and his____five children on a farm. A.ano he was living on the farm when he was a 为什么? One day when he was working on his farm,a white crane fell t He was born and grew up on a farm为什么用was 英语翻译Qld MacDonald had a farm,E_l_E_l-O.and on his farm he ha his uncle is a ()on that farm 英语翻译是at a farm 还是on the farm his father works on a farm.划线部分on a farm.i'd like some apple 11.He had to help his parents ___ on the farm on weekends.A. He work on a farm.(对on a farm提问） When he was young,he worked on a farm,but now he doesn't.改为同