English classes do you have every week?- Five.A. How oftenB. How long C. How muchD.

问题补充：

--- English classes do you have every week?

--- Five.

A. How often

B. How long

C. How much

D. How many

答案：

A. How often

B. How long

C. How much

(答案→)D. How many

解析：疑问词辨析。How often多久一次；How long多长；How much多少钱； How many多少个。根据答语可知询问的是数量，故用how many。选D。