Plural nouns

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Across
  1. 3. - boy
  2. 4. - guitar
  3. 5. - drum
  4. 6. - cat
  5. 9. - piano
  6. 10. - book
  7. 11. - flute
Down
  1. 1. - flute
  2. 2. - dog
  3. 4. - girl
  4. 7. - teacher
  5. 8. - doctor