Taking about hobbies:

1)Which sport do you like best?

What's your favorite sport?

What are your hobbies?

Which do you prefer, ..or..?

Are you interested in ...?

2)Why do you like...?/What do you learn from...

3)How do you become good at them?

4)Can you tell me sth. about them? Giving answer, and making decision:

1)I prefer...(to).../ I like ...(best).

2)I (don't) like (because)...

3)I (don't) think...(it's because)...

4)I'm sure that...

5)I'm not sure whether...

6)there is no doubt...

7)Don't you think that...?

Why do you like this sport / music / collection?

When do you begin to like it?

What's enjoyable about the hobby?

What have you learned from the hobby?