National Day of language

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Across
  1. 5. Which are the only languages taught everywhere in schools throughout the world.
  2. 8. Which is the sience of language
  3. 9. Which country doesn't have an official language
  4. 10. Which is the only language in the world that capitalise each nouns.
  5. 11. Which writer invented around 1700 new words in English
Down
  1. 1. Which is the hardest language in the world
  2. 2. Which high school hosted a German delegation this year
  3. 3. When is the month of national day of language
  4. 4. Which ancient language is read as it is written
  5. 6. Which is the oldest language in Europe
  6. 7. Which is the most commonly spoken language in Europe