My parents go to the cinema （twice a month）对打括号部分提问
问题描述：
My parents go to the cinema （twice a month）对打括号部分提问
答
what ( do ) you want to ( do ) ?
答
How often do your parents go to the cinema?
答
How often do your parents go to the cinema?
对于频度副词的提问,用 how often
答
How often do your parents go to the cinema ?