Collective Nouns

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Across
  1. 2. a flight of _______
  2. 5. a ______ of birds
  3. 6. a ______ of tools
  4. 7. a ______ of bees
  5. 10. a ______ of shoes
  6. 11. a ______ of cows
Down
  1. 1. a _______ of ships
  2. 3. a ______ of worksheets
  3. 4. a bouquet of _______
  4. 8. a ______ of notes
  5. 9. a heap/pile of ________