4.
1. Where did you go?
2. What do you do?
3. Have you got any hobbies?
4. Was the weather fine?
5. Have you ever been abroad?
6. What are you doing?

5.
1. In my family the granny is the eldest.
2. Better late than never.
3. My friend's report was more interesting.
4. The Alps are higher than the Urals.
5. German is as difficult as English.
6. Which book is the most interesting?