Soluzione del esercizio 9 di Engage!, Vol. 1

Esercizi svolti per il libro Engage!, Vol. 1

Soluzione

  1. 've already made
  2. haven't bought; yet
  3. 've already phoned
  4. haven't called; yet
  5. 's borrowed
  6. 's already put up
  7. haven't taken; yet
  8. 've already checked