Soluzione del esercizio 20 di Performer B1, Vol. 2

Esercizi svolti per il libro Performer B1, Vol. 2

Soluzione

  1. haven't they
  2. don't they
  3. didn't you
  4. doesn't he
  5. did you
  6. will you
  7. does he
  8. mustn't she
  9. couldn't they
  10. aren't I
  11. aren't they
  12. did they