Collective Nouns

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Across
  1. 1. a ____ of stairs
  2. 4. a ____ of angels
  3. 7. an _____ of ants
  4. 9. a ____ of singers
  5. 10. a ____ of wolves
Down
  1. 2. a _____ of stars
  2. 3. a _____ of birds
  3. 5. a _____ of bees
  4. 6. a _____ of flowers
  5. 8. a _____ of musicians