dose your family have dinner out Once two weeks 选.how long 还是 how often 为什么

问题描述:

dose your family have dinner out Once two weeks 选.how long 还是 how often 为什么

选择how often
因为how often表示做某件事情的频率
而how long表示做某件事情的时间长短
这里是表示你们家外出吃饭的频率是多少(即一周出去几次),后面还有回答,两个星期去一次.