英语选择```在线``ing```

问题描述:

英语选择```在线``ing```
Excuse me.Could you tell me where the nearest post office is?
You have to walk____?
a.500 meters away b,500 metre far
c,500metres farther d,500-metre-far away
如果我清楚,你得分

C farther 是额外``更多的
这里是再走500米