Across
- 4. you must fasten your seatbelt
- 6. you must remove your shoes
- 7. you must be quiet
- 10. you must only speak english
Down
- 1. You must be quiet
- 2. you must respect your parents
- 3. you must go there when you're sick
- 5. you must go there with your passport
- 8. you mustn't touch anything
- 9. You must go there to study