This is how I Soar

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Across
  1. 3. It is a promise to perform better.
  2. 6. Shared in most successful relationships.
  3. 7. Marks made to stand out in trade.
  4. 9. Did something stupid? This may be needed later.
  5. 10. Often televised in a split-screen.
Down
  1. 1. Don't try chinese whispers if you're not good at it.
  2. 2. To win a competition, you must do this first.
  3. 4. Combined effort as a group.
  4. 5. Customer service people die for it.
  5. 8. Whenever we disagree, it's best to.