Fill in the gaps with the necessary words:

1. Hiking is hard work. It's very ... .
2. I don't enjoy sunbathing. I find it ... .
3. I can't swim so I won't ever go white water rafting because it will be ... .
4. I find fishing to be very quiet and ... .
5. Julie and er sister will do scuba diving. Isn't that ... ?
6. I want to try sailing. I think it will be lots of ... .