1. Wales is famous for its green hills and beautiful valleys, isn't it?
2. The Boys didn't take part in the cycling trip last summer, did they?
3. You are going to send SMS to Olivia, aren't you?
4. Emily wants to become a journalist, doesn't she?
5. The participants won't plant the trees during the trip, will they?
6. Jim has already got his participant badge, hasn't he?
7. We can join the students, can't we?