Verbs - opposite meanings

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Across
  1. 2. set (about the Sun)
  2. 3. loosen the knots
  3. 5. complicate matters
  4. 9. continue the plans
  5. 12. punish
  6. 14. improve relations
  7. 15. fail
  8. 18. extend the course
  9. 19. withdraw money
Down
  1. 1. conceal
  2. 4. lose weight
  3. 6. permit
  4. 7. bring forward
  5. 8. accept the offer
  6. 10. restore monarchy
  7. 11. build
  8. 13. deny
  9. 16. attack
  10. 17. lend