Soluzione del esercizio 9 di Performer B2 - Workbook

Esercizi svolti per il libro Performer B2 - Workbook

Soluzione

  1. must be
  2. can't have been
  3. must have tried / might have tried / may have tried / could have tried
  4. may be / might be / could be
  5. may take / might take / could take / may be taking / might be taking / could be taking
  6. may not have / might not have
  7. can't know
  8. must have arrived