Soluzione del esercizio 9 di Performer B1, Vol. 2

Esercizi svolti per il libro Performer B1, Vol. 2

Soluzione

  1. which; can't be omitted
  2. who; can't be omitted
  3. which; can be omitted
  4. which; can be omitted
  5. which; can be omitted
  6. where; can't be omitted
  7. whose; can't be omitted