Soluzione del esercizio 16 di My Voice A2/B1

Esercizi svolti per il libro My Voice A2/B1

Soluzione

  1. must
  2. mustn't
  3. must / have to
  4. don't have to
  5. must / have to
  6. don't have to
  7. don't have to
  8. mustn't