Soluzione del esercizio Grammar 1 - 7 di Performer B1 Phases, Vol. 1

Esercizi svolti per il libro Performer B1 Phases, Vol. 1

Soluzione

  1. 've never done the ironing before.
  2. the third time he's visited London.
  3. the first time they've been to a concert. /; the first time they've ever been to a concert.
  4. 've asked me this question before.
  5. the fourth time we've seen this film!