Soluzione del esercizio 8 di Identity B1+

Esercizi svolti per il libro Identity B1+

Soluzione

  1. How long has your sister been driving?
  2. How long have you been waiting for me?
  3. How long have you been learning Spanish?
  4. How long has he been playing the drums?
  5. How long have the children been watching TV?


  1. 2
  2. 4
  3. 1
  4. 5
  5. 3