5.
1. - Have you ever been camping?
- Yes, but I haven't done it for ages.
2. - Do you want to go skydiving?
- Yes, I do. I have never tried skydiving before.
3. - I have just received a postcard from Mary. She's Hawaii.
- Really? How long has she been there?
4. - Have James and Lilly arrived in London yet?
- I don't know, they haven't called me.
5. - How's your trip? Have you done anything interesting?
- Well, we have flown over the city in a helicopter and we have taken some amazing photos of us.
6. - I haven't booked our ferry tickets yet.
- That's OK. I have asked George to do it.