英语 七年级 选择题 较难 情态动词must与have to用法 — 英语选择题 沪教版·英语(初中) Unit 5 Water is life AI 三重审校通过 题目 — Must we turn off the tap while brushing our teeth? — Yes, you ___. It's a rule in our 'Save Water' club, and no one is allowed to break it. A. mustn't B. don't have to C. must D. can't 登录后查看答案与解析 用此考点生成试卷 本单元全部练习题 更多英语选择题