Tristan's Wednesday Puzzle

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Across
  1. 1. the grade you are in for 1 more day
  2. 3. loosen knots
  3. 5. leg bender
  4. 7. game played with rackets on a court
  5. 8. it rings
Down
  1. 2. head cover
  2. 4. 999999
  3. 6. curvy letter
  4. 7. you fill it with water to take a bath