问题补充:
---is it from your home to your school?
---It is about twenty minutes by bike.
A. How far
B. How long
C. How many
D. How much
答案:
(答案→)A. How far
B. How long
C. How many
D. How much
解析:A. How far多远 B. How long 多长时间 C. How many 多少,修饰可数名词的复数形式D. How much多少,修饰不可数名词;句意:从你家到学校有多远呢?骑自行车大约20分钟。故选A