do you go shopping?-- Twice a week.A. How longB. How oftenC. How farD. How

问题补充：

--- do you go shopping?

---- Twice a week.

A. How long

B. How often

C. How far

D. How

答案：

A. How long

(答案→)B. How often

C. How far

D. How

解析：此题重点考查特殊疑问词辨析，how long多久对一段时间进行提问；how often对频率进行提问，how far多远，对距离进行提问；how对方式进行提问；根据答语故选B