---is your school from your home?-It takes ahout twenty minutes to get there by bike.Ho

问题补充：

---is your school from your home?

---It takes ahout twenty minutes to get there by bike.

How long B. How far C. How soon D.How often

答案：

解析：考查特殊疑问词的用法。“从你家到学校有多远？”“骑自行车要大约20分钟。”A“多长（时间）”；B“（距离）多远”；C“多久之后”；D“多久一次”。故选B。