8 Wild words

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Across
  1. 3. You smile and that's...
  2. 5. Something with no cost
  3. 6. The Incredible ____
  4. 8. Its like baseball except with a bigger ball
Down
  1. 1. Forever _____
  2. 2. Another word for beautiful
  3. 4. Its from cells
  4. 7. Empty city/town