must/mustn't表达规则 — 英语选择题
题目
学校食堂有两条规则:吃饭前要洗手,不能在食堂里跑。哪组英文规则正确?A. You must wash your hands. You mustn't run in the dining hall. B. You mustn't wash your hands. You must run in the dining hall. C. You must wash your hands. You must run in the dining hall. D. You mustn't wash your hands. You mustn't run in the dining hall.