Soluzione del esercizio 4 di iDiscover 1

Esercizi svolti per il libro iDiscover 1

Soluzione

  1. I'm not wearing new shoes.
  2. Andy isn't cooking dinner.
  3. You aren't using my pen.
  4. The train isn't stopping.
  5. They aren't eating their lunch.
  6. Mum isn't working.