Soluzione del esercizio 7 di Performer B1, Vol. 2

Esercizi svolti per il libro Performer B1, Vol. 2

Soluzione

  1. The zoo will be closed down in a few months.
  2. Some turtles have been found on the beach by the tourists.
  3. The extinction of some species is being prevented by scientists.
  4. The animals in the park mustn't be fed by visitors.
  5. A camera had never been put on a whale before.