问题补充:
---is it from our school to the subway station?
--- About 8 miles.
A. How long
B. How far
C. How often
D. How much
答案:
A. How long
(答案→)B. How far
C. How often
D. How much
解析:A. How long多久B. How far 多远 C. How often多久一次D. How much多少元,一般提问价钱及不可数名词。答案是大约八千米,所以应选B. How far