I exercise twice a week.对划线部分提问,划线部分是twiceI exercise twice a week.对划线部分提问,划线部分是twice______ ______ ______ do you______ a week.

问题描述:

I exercise twice a week.对划线部分提问,划线部分是twice
I exercise twice a week.对划线部分提问,划线部分是twice
______ ______ ______ do you______ a week.