问题
选择题
– Kate, do you know ___________ it is from here to the gym?
– About 20 minutes by bike
A. How long
B. how far
C. how often
答案
答案：B
题目分析：句意:凯特，你知道从这到体育馆多远吗？骑自行车大约20分钟。故选C。A. How long 多长， B. how far多远，C. how often多久一次。据答语问句要问多远，故选B。