Merry Christmas! guess your gift x

123456789101112131415161718192021
Across
  1. 4. Winning four professional major championships
  2. 8. A score of two under par
  3. 10. Scoring
  4. 12. Handicap of zero
  5. 14. Marks the hole
  6. 15. The G in PGA
  7. 17. Required shots per hole
  8. 18. Transport for the golf course
  9. 19. Putting surface
  10. 20. Watch out!
  11. 21. Person to carry your clubs
Down
  1. 1. Sand trap
  2. 2. Practice swing
  3. 3. The height and angle the ball travels when struck
  4. 5. Person with the _____ score wins
  5. 6. A high, short shot played with a wedge designed to land softly
  6. 7. One shot under par
  7. 9. A grip in which all ten fingers are placed on the club
  8. 11. Modern golf was invented in which country
  9. 13. To go off course
  10. 16. A score of one over par on a hole