Question

—_____________ do you go back to your hometown ? —Twice a year

A．How long	B．How soon
C．How far	D．How often

Answer 1

D

解析试题分析：句意:你多久回家乡一次？一年二次。Twice a year表示频率，给频率的词提问要用how often，根据句意，故选D。
考点：考查疑问词。