Ответ:

Correct Alternatives:

  1. I use three languages that/0 I leamt at school.
  2. There are people who/which are from many different countries.
  3. She's the girl who/whose cousin is at our school.
  4. I go to meetings where/that there are people from many countries.
  5. This is the room that/where I work.
  6. The languages which/that I teach are French and Russian.
  7. I remember the time when/which I first met you
  8. I love Paris. That's where/0I first did some acting.
  9. He's the writer who/whose books are very popular at the moment.
  10. This is the bus which/0 goes to the city centre.