Relative clauses

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Across
  1. 4. Something that is used to iluminate.
  2. 5. Person who sing in front of a public.
  3. 8. Where was played the first world cup of soccer?
  4. 9. Lety who was born in México is.
Down
  1. 1. Who is the actual president of México?
  2. 2. City where is the Big Ben.
  3. 3. Month when all mexicans have parties.
  4. 6. Which is the first element in the periodic table.
  5. 7. Which is the most visited continent in the world?
  6. 9. What is the most popular language?