Ответ:

  1. It isn’t hot today.
  2. It’s windy today.
  3. My hands aren’t cold.
  4. Brazil is a very big country.
  5. Diamonds aren’t cheap.
  6. Toronto isn’t in the US.
  7. I’m tired.
  8. I’m not hungry.
  9. I’m a good swimmer.
  10. I’m interested in football.