Question

—________does your father play table tennis?        —Twice a week.

A．How long

B．How often

C．How soon

D．How far

Answer 1

B

试题分析：How long多长；How often  多久一次；How soon多久；How far多远。根据下文，一周两次。可知上文问的是，你的父亲多久打一次乒乓球？故选B。