The key answer of exercise 21

Listen to a news report about how to make European towns more energy-efficient while preserving heritage sites. First you will have 1 minute to study the task below, then you will hear the recording twice. While listening, match the beginnings of the sentences (1-8) with the sentence endings (A-K). There are two sentence endings that you should not use. The first one (0) has been done for you. After the second listening, you will have 1 minute to check your answers.