用forty minutes walk或forty minutes' walk填空:The hospital is a bit far from here.It's about( )请告诉我你为什么这么填.

问题描述:

用forty minutes walk或forty minutes' walk填空:The hospital is a bit far from here.It's about( )
请告诉我你为什么这么填.

forty minutes' walk四十分钟的路程
forty minutes' 所有格形式,意思为 四十分钟的
forty minutes walk这种组合本身就不对