The snow storm

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Across
  1. 3. Poppy and Sam 's dog
  2. 9. if you are not here
  3. 11. the missing sheep
  4. 12. ...is or there are?
Down
  1. 1. ...one's hair
  2. 2. the opposite of day
  3. 4. it's cold and white and you can ski !
  4. 5. where sheep eat grass
  5. 6. ...a treasure
  6. 7. Martin's sister
  7. 8. you are generous
  8. 10. but not at week ends !
  9. 13. where cars go