1 Complete the sentences with the correct form of the words in brackets. 0 Ecologists study the relation between humans and the natural environment. (NATURE)
1 The            part of the island is beautiful. (WEST)
2 It's            to have a barbecue in a forest. You shouldn't do it. (LEGAL)
3 Old cars make the problem of air            much worse. (POLLUTE)
4 I know a very            place for a holiday. (PEACE)
5 Do you need a special certificate to go            in your country? (HUNT)
6 The weather in England is often very           . (CLOUD)
7 In many places now, a lot of waste is collected for           . (CYCLE)​