为什么是on a farm不是 in a farm
on the farm 为什么不是in the farm
live on a farm 还是 live in a farm
He was raised by his grandmother on a farm.为什么是on a farm?
英语翻译是at a farm 还是on the farm
是in farm还是on farm
live in还是on a farm
on a farm什么意思?
是in the farm 还是 on THE FARM
His sister works ------ (on还是in) a farm
My uncle has many ducks____his farm.A in B.on
I live on a horse farm in Virginia什么意思?
The old men work on a farm,they are ( )(farm)