¬ does your mother watch the Talk Show?－ Once a week. A. How longB. How oftenC. How s

问题补充：

¬ does your mother watch the Talk Show?－ Once a week.

A. How long

B. How often

C. How soon

D. How far

答案：

A. How long

(答案→)B. How often

C. How soon

D. How far

解析：句意：你多久看一次谈话节目？。How long多长；How soon多久；How often多久一次；How much多少钱。根据下文，Once a week.，一周一次，可知前文问的是，多久一次，故选B。