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Across
  1. 2. insignificant
  2. 5. deep knowledge
  3. 7. useful advice
  4. 9. support eachother
  5. 10. obvious
Down
  1. 1. sociable
  2. 3. acrobatic exercise
  3. 4. children presume suppose
  4. 6. get involved
  5. 8. brother or sister