问题补充:
---do you go to the theatre, Li Lei? ---Once a month.
A. How often
B. How many times
C. How long
D. How much
答案:
(答案→)A. How often
B. How many times
C. How long
D. How much
解析:根据回答,一月一次,可知在问多久有一次。How long多长;How many times多少次,问总的次数;How often多久一次;How much多少钱。故选A