The key answer of exercise 5
The key to exercise solutions in chapter Unit 3 - BBC for the textbook Focus 4 (2nd edition) - Student's Book with authors Sue Kay, Vaughan Jones and Daniel Brawshaw from Pearson Education
Question
Complete the newspaper article about what Mexico City is doing about pollution. Use the phrases and collocations in Exercise 4.
Answer
- tackle
- smog
- taken
- close
- heart
- cycling
- one-off
- walks
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