Ответ:

4

  1. We haven't read that novel yet.
  2. Kate has had a tablet for one year.
  3. My sister has already visited London. She went there to study English last summer.
  4. Why are you so happy? Have you just got some good news?
  5. I have never lived on a houseboat, but one day I'd like to.
  6. We haven't finished our homework yet.
  7. I have lived English since my first lesson.
  8. Have you ever visited near the city centre?