1) What did you do to your arm?
2) I've played tennis a lot this week.
3) I've hurt my elbow.
4) Your house looks fantastic! You have decorated it beautifully.
5) Yes, but it's hard work. I've done the bedroom all afternoon and I have only painted three walls.
6) Never mind. It will look great when you've finished it.
7) Hi Jack. I haven't seen you for ages.
8) What did you do recently?