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

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

Soluzione

  1. had to do
  2. Did they have to study
  3. Did you have to wear
  4. had to ask
  5. has she had to explain
  6. 'll have to buy