• 12 unit 3 1-30
     Help
  • Using an ____________ car or motorbike can lower your _________________.
    eco friendly, carbon footprint
  • Using __________________ from the sun and wind can help ________ pollution.
    renewable energy, reuce
  • To save money on gas, many people choose to ________ with coworkers or use ________________.
    carpool, public transport
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