My first puzzle

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Across
  1. 3. lol,FPX gkd
  2. 4. master of sand
  3. 7. fantastic beauty in wonder land
  4. 8. junk food
Down
  1. 1. breath of the wild
  2. 2. hot or cold
  3. 5. i'm tired about it
  4. 6. computer's word