如果对twice a week划线提问,答案为:How often do you go to the school library?
如果对twice划线提问,答案为:How many times a week do you go to the school library? 或 How many times do you go to the school library a week?
如果对we划线提问,答案为:Who goes to the school library twice a week?
如果对the school library划线提问,答案为:Where do you go twice a week?
估计是第一种吧?
How go to the school library that our twice a week?