Soluzione del esercizio Think it out di Engage B2 with Exam Skills

Esercizi svolti per il libro Engage B2 with Exam Skills

Capitolo

Esercizio

Soluzione

The passive is made with an auxiliary verb (usually "to be") and a past participle.
We include the agent (the doer of the action) only when it is important to say who does the action.