Dog!

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Across
  1. 2. Dogs like to chew this
  2. 4. A dog wags this when they are happy
  3. 6. Exercise for dog
  4. 7. Mans best friend
Down
  1. 1. Someone who takes care of dogs
  2. 2. Sound a dog makes
  3. 3. Charlie brown's dog.
  4. 5. Used to take a dog for a walk