2 LISTENING 27 Listen to a radio programme where people are giving their opinions about famous people who speak on TV about the environment and other world problems. Match the speakers (1-4) with their opinions (a-e). There is one option that you do not need. Speaker 1 Speaker 2 Speaker 3 Speaker 4 a Famous people do a lot of good for environmental problems. b Generally, the public isn't very interested in environmental questions. c The most important thing is for people to talk about what they know. d Famous people are just interested in getting attention for themselves. e It's better for famous people to give a good example than to tell other people what to do.