Cover of the textbook Performer B2 - Workbook

The key answer of exercise 20

The key to exercise solutions in chapter Unit 6 - Save the Earth for the textbook Performer B2 - Workbook with authors Marina Spiazzi, Marina Tavella, Margaret Layton from Zanichelli

Question

For questions 1-8, read the text on the right and think of the word which best fits each gap. Use only one word in each gap. Use only one word in each gap. There is an example at the beginning (0).

Answer

  1. ought
  2. most
  3. renewable
  4. must / should
  5. lower
  6. to
  7. down / back
  8. waste