Soluzione del esercizio 7 di Performer B1, Vol. 2

Esercizi svolti per il libro Performer B1, Vol. 2

Soluzione

  1. has just installed
  2. have you bought
  3. have they been
  4. Have you had
  5. has been using
  6. have read
  7. have you known
  8. have been playing