问题补充:
–Kate, do you know it is from here to the gym?
–About twenty minutes’ walk.
A. how long
B. how far
C. how soon
D. how often
答案:
A. how long
(答案→)B. how far
C. how soon
D. how often
解析:句意:——凯特,你知道从这儿到体育馆有多远吗?——大约步行20分钟。A. how long多长时间,B. how far多远, C. how soon 多久,D. how often多长时间一次。结合句意表示距离多远,故选B.