Collective nouns5

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Across
  1. 1. a __ of cards
  2. 4. a __ of students
  3. 6. a __ of cows
  4. 8. a __ of ships
  5. 9. a __ of thieves
Down
  1. 2. a __ of drawers
  2. 3. a __ of birds
  3. 5. a __ of books
  4. 7. a __ of mountains
  5. 10. a __ of photographs