Summer sight words the tricky twenty

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Across
  1. 3. To think something is true (7)
  2. 5. Not the same (9)
  3. 6. Captured or trapped (6)
  4. 7. Work involving buying or selling things (8)
  5. 8. To come into sight (6)
  6. 9. As much as is needed (6)
  7. 10. A person you like and trust (6)
  8. 11. A place where children go to learn (6)
  9. 12. To go out of sight (9)
  10. 14. To finish something (8)
  11. 16. To take air in and out of your body (7)
Down
  1. 1. To keep going without stopping (8)
  2. 2. To make or construct something (5)
  3. 3. For the reason that (7)
  4. 4. A reply to a question (6)
  5. 7. The air you take into or let out of your lungs (6)
  6. 8. Where you live, including house number and street (7)
  7. 13. Having great value or significance (9)
  8. 15. Men, women, and children (6)
  9. 16. Having a lot to do (4)