The key to exercise solutions in chapter 5 - Grammar for the textbook Step Up Gold 3 with authors Philippa Bowen e Denis Delaney from Oxford University Press
Question
Choose the correct options.
Answer
While we were listening to the teacher, I heard a strange noise.
I was sleeping when they got home.
The rain started while I was talking to Mr Jones.
When I met my boyfriend, we were travelling in Spain.