Soluzione del esercizio 9 di Identity A2 to B1

Esercizi svolti per il libro Identity A2 to B1

Soluzione

  1. Is there an; there isn't
  2. Are there any; there aren't
  3. Is there a; there is
  4. Are there any; there aren't
  5. Is there a; there is
  6. Are there any; there are