collective nouns

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Across
  1. 1. a______ of fishes
  2. 3. a _______ of robbers
  3. 7. a____ of flowers
  4. 8. a________ of wolves
  5. 10. a _______ of dolphins
  6. 12. a _____ of musicians
  7. 13. a______of lions
  8. 14. a______ of trees
  9. 17. a _____ of bees
Down
  1. 2. a ________ of students
  2. 4. a ____ of friends
  3. 5. a__________ of birds
  4. 6. a_____ of sheeps
  5. 9. a______ of owls
  6. 10. a_____ of slippers
  7. 11. a _________ of cars
  8. 15. a _____ of players
  9. 16. a _______ of soldiers