2 They trekking when they were Italy. They walked 20 km in day.
3 I love summer camp- you can make new friends and learn new skills.
4 Jim is a guided tour of Cambridge tommorow. An expert takes you round and tells you the history of the city.
5 Do you want to sailing at the weekend? It's very relaxing on the boat.
6 I'd love to a safari and see wild animals,but it'svery expensive.