1 It's the hottest country I've ever been to.
2 She is the unfriendliest person I've ever met.
3 It's the easiest exam he has ever done.
4 They are the most expensive trousers I've ever bought.
5 It's the longest film I've ever watched.
6. He's the most attractive man I've ever seen.
7. It's the worst meal I've ever eaten.
8. He is the most interesting teacher I've ever had.
9. It's the most exciting job we've ever done.