We stood at the top from where we could see the whole town.为什么用where不用which(答案没错)

We stood at the top from where we could see the whole town.为什么用where不用which(答案没错)

which在定语从句中只能做主语或宾语,由 we could see the whole town可知,从句并不缺宾语也不缺主语,缺少的是地点状语,而where引导地点状语.

the top is a place.
from where you stand.
from which you go through.

因为是where引导的状语从句，可以用at which但不能用which.