______ do you go to the theatre?- Only on Sundays.疑问词用什么?

______ do you go to the theatre?- Only on Sundays.疑问词用什么?
______ do you go to the theatre?- Only on Sundays.
疑问词用什么?

______ do you go to the theatre?- Only on Sundays.疑问词用什么?
when
你通常什么时候去剧院?
只在周日去

When

How often

How often
这是一个询问频率的句子，所以要用这个．

如果用When的话最好是说WHEN DO U USUALLY GO TO THE THEATRE?
你什么时候去剧院?
只在星期日去.
如果用HOW OFTEN意思就是
你多长时间去一次剧院 (中文不好说啦)-_-
只在星期日去.
都感觉怪怪的. HOW OFTEN可能强点.

how often