Question

---_______ do you have an English party?---Once a month A．How old B．How far C．How often

---_______ do you have an English party?---Once a month A．How old B．How far C．How often D．How long

Answer 1

C

根据 ---Once a month 可知横线处应该填一个表示问频率的词组，所以选C，句子意思为你多久参加一次英语派对。