Module 5 Rules and suggestions Unit 1 You should keep to the path. 【最新】九年级英语下册 Module5 Unit1 You must keep to the path课件 外研版 课件 Some library rules: No . / Dont . / You should/shouldnt . / you must/mustnt. / you have to./dont have to 【最新】九年级英语下册 Module5 Unit1 You must keep to the path课件 外研版 课件 school rules: 【最新】九年级英语下册 Module5 Unit1 You must keep to the path课件 外研版 课件 I dont know how to learn English. Can you give me some suggestions? You should / shouldnt Why dont you/Why not ? How/What about ? Y