1. My father did.
2. Yes, I did.
3. I took electric train.
4. I prefer to have an upper berth.
5. I like reading while travelling by train.
6. I had meals at restaurants.
7. I arrived at night.
8. My parents met me.
9.I spent 3 days in Kazan.
10. Yes, I did.
11. Yes, I did. I saw lots of beautiful sights.
12. Yes, I did.
13. Yes, I did. It was very exciting.
14. I would like to go there some day again.