Crossword for my baby

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Across
  1. 4. A former Chelsea goalkeeper
  2. 7. A Chinese language
  3. 10. A type of sausage/wurst
  4. 12. A German midfielder who occasionally plays right back
  5. 14. An area in Brighton
  6. 16. A former Chelsea/Arsenal player
  7. 17. A former Chelsea winger
  8. 18. An airport in England
  9. 20. ‘S’ is letter number (?) in the english alphabet
Down
  1. 1. The term used to describe a businesses revenue when you take away the costs
  2. 2. A fizzy drink, usually tasting like orange
  3. 3. A large historical building in Brighton
  4. 5. A large country which was formally used to send British criminals
  5. 6. Capital of Mallorca
  6. 8. Where people keep their boats
  7. 9. The name of the cinema at Brighton marina
  8. 11. The boxlike packaging of a delivered product
  9. 13. Capital of Canada
  10. 15. A chocolate bar originating from England. Consisting of 2 or 4 chocolate covered wafers
  11. 16. A block of wax, often lit to create light
  12. 17. A phone symbol used to show emotion
  13. 19. The surname of the British prime minster