7.2. Use the correct form of adjectives. 1. It's __________ to walk in the forest after the rain. (wonder) 2. I prefer __________ beaches. (sand) 3. The air is rather __________ in large cities. (pollute) 4. __________ gases make the air we breathe is very polluted. (Harm) 5. The problem of air pollution is __________ problem. (nation) 6. __________ rainbow appeared after the rain. (Colour) 7. Our country is __________ for its pure nature. (fame) 8. People destroy __________ habitat of many rare animals. (nature) 9. Water pollution is __________ for many species of fish. (danger) 10. Humans should be __________ with nature. (care)