American English or British English?

I (be) in Paris last year.

  1. Was
  2. I have been in Paris last year.
  3. been
  4. had been
  5. I was in Paris last year.
  6. I have been in Paris last year
  7. I was Paris last year.
  8. I was in Paris this year
  9. I was in Paris last year.
  10. i been in Paris lets year