1- Where did you go?
2- How did you go?
3-and what did you see?
4- What did you do?
5- With whom you were?
6-Did you buy souvenirs?
7-Did you like the trip? Why?
8-When did you go on a trip?
9-When you return?
10-What did you like the most?
11-How you traveled?
12- What did you do during those vacations? How did it go?
13- Did you need to buy a ticket or not?
14-Did you look at animals, which ones?
Hope this helps :)