1. Do you often walk?

Yes, i do.

2. Did you walk much when you were a child?

No, i didn't. When i was a child, i was very lazy.

3. Do you think people walk more nowadays than they did in the past?

No, i don't think so. In the past, it wasn't any motorbikes or cars, like nowaday, so i think they have to walk a lots.