I forgot to include the following sentences. Thank you.
1) My mum and I (not: I and my mum) went shopping and we bought a lot of souvenirs.
2) After a week (a week later) we came back home satisfied with this exciting experience.
3) We put everything on a counter and then we walked through the gate that checks for metal.
4) We took a bus to the hotel. I spent most of my time doing archery (playing archery)
5) We stayed at a campsite.
We always got a packed lunch from the hotel.
6) I liked going to the disco because it lay on the beach.
We made new friends who came from Milan.
7) The hotel offered room service though it was very expensive.
We went sightseeing in the city centre.