It's three miles后加away还是不加?

网友回答

看怎么问了~
1、直接问距离,就不加away
what‘s the distance between the school and the hospital?
It's three miles.
2、问个大概的远近,就应该加上away
how far is the hospital from here?
It's three miles away.十三公里之外
======以下答案可供参考======
供参考答案1:
加供参考答案2:
语法上加与不加都可以，要看语境
例：How far is the post office?
It's three miles away.
How much further to the post office?
It's three miles.
希望帮到了你。