2. Don ’ t you know you should cover your mouth when you sneeze? Cover your mouth sneeze

3. Don ’ t you know you should swallow your food before you talk? swallow your food talk

4. Don ’ t you know you should let people get off from the MTR before you enter? let people get off enter

5. Don ’ t you know you should look both ways before you cross the street? look both wayscross

6. Don ’ t you know you should say “ sorry ” when you step on someone ’ s foot? Sorry! say sorry step

8. Don ’ t you remember you should lock the door when you leave? lock the doorleave

9. Don ’ t you remember you should check your schoolbag before you come to school? Check your schoolbag come

10. Don ’ t you remember you should say thank you when someone does something for you? Thank you! say thank youdoes something

11. Don ’ t you remember you should say goodnight before going to sleep? Good night! say goodnight going to sleep

12. Don ’ t you remember you should hang up your clothes after you come home from school? hang up your clothes come home from school