Soluzione del esercizio 17 di Engage!, Vol. 1

Esercizi svolti per il libro Engage!, Vol. 1

Soluzione

  1. Ben has been playing football for six years.
  2. I haven't seen Mary since last month.
  3. Jason has lived in the same city all his life.
  4. I have attended this school for six months.
  5. The band has been playing together since 2007.
  6. My little sister has been ill for a week.