Soluzione del esercizio 5 di Performer B2 - Student's Book

Esercizi svolti per il libro Performer B2 - Student's Book

Soluzione

  1. has been analysing / have been analysing / 's been analysing
  2. has discovered / have discovered / 's discovered
  3. categorised
  4. posted
  5. displayed 
  6. have been posting
  7. 've been projecting
  8. has recently explained / 's recently explained
  9. often used
  10. 've been doing
  11. have suggested