Obligations, permissions, interdictions... at school.

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Across
  1. 3. ... with your friends
  2. 7. you have to eat in the ...
  3. 8. you shouldn't run in the ...
  4. 11. ... in class
  5. 13. play ...
  6. 14. ... in groups
  7. 15. you can chat with your friends in the ...
  8. 16. ... your hand
Down
  1. 1. use your ...
  2. 2. You must play ball in the ...
  3. 4. ... in the cafeteria
  4. 5. ... a mask
  5. 6. ... your pet
  6. 8. you mustn't play in the ...
  7. 9. ... a book
  8. 10. ... to the teacher
  9. 12. ... students
  10. 15. ... ball