TAG Teaser 101 - Sheer Opposites!

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Across
  1. 2. Above (5)
  2. 4. Best (5)
  3. 5. Sour (5)
  4. 7. Begin (3)
  5. 9. Light (4)
  6. 11. Answer (8)
  7. 13. First (4)
  8. 15. Before (5)
  9. 17. Short (4)
Down
  1. 1. Open (6)
  2. 3. Fast (4)
  3. 4. Black (5)
  4. 5. Hard (4)
  5. 6. Subtract (3)
  6. 8. Cold (3)
  7. 10. Never (6)
  8. 12. Full (5)
  9. 14. Short (4)
  10. 16. Little (3)