Prepositions

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Across
  1. 3. Numbers are _______ the books.
  2. 4. Paper is ______ the books.
  3. 6. Book 1 is _____ the book 2.
Down
  1. 1. Book 3 is ______ the Book 4.
  2. 2. Book 2 is _____ the book 1.
  3. 5. Small books are ______ each other.