Soluzione del esercizio 9 di Identity B1+
Esercizi svolti per il libro Identity B1+ con autore Elizabeth Sharman
Domanda
Complete the dialogue with the Present perfect continuous form of the verbs.
Soluzione
- have you been doing
- 've been working
- 've been reading
- haven't been doing
- 've been sorting
- 's been working
- 's been trying