Soluzione del esercizio 6 di Identity B1+

Esercizi svolti per il libro Identity B1+

Soluzione

  1. I (A) 've written ten emails this morning.
  2. How long have you (A) known the truth?
  3. Hello, Kate. What have you (B) been doing since the weekend?
  4. Have you (A) finished your homework yet?
  5. I (B) 've been standing here for an hour and I'm very tired!
  6. I don't think that you've (B) been listening to me!