4.
1. While I was visiting my family in London, I saw many amazing sights.
2. Where did Jim spend his summer holidays?
3. What were you doing at 4 o'clock in the afternoon yesterday?
4. George wasn't sleeping when I arrived home.
5. Zach didn't come to the party with us last night because he was tired.
5.
A: Sorry, I didn't answer the phone. I was at the theatre.
B: Really? What was it like?
A: It was fantastic! The actors were amazing. What did you do?
B: I just stayed home and watched a TV series.
A: Did you enjoy it ?
B: Not really. It was nothing special. Listen, do you want to go for a walk later?
A: Sure!
sper ca te-am ajutat!