Soluzione del esercizio 6 di iDiscover 1

Esercizi svolti per il libro iDiscover 1

Soluzione

  1. Is; he is
  2. Am; you
  3. Is; it isn't
  4. Are; they aren't
  5. Are; you are
  6. Is; she isn't
  7. Are; I am
  8. Am; you aren't