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unit 6 : robots

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  • 1.We should use/have public transport more.
    use
  •  15
  • 2.We shouldn't hang/cut down trees. We should save them.
    cut
  •  15
  • 3.We should take/love animals because they are real friends.
    love
  •  15
  • 4.Using coal in houses protects/pollutes air very much.
    pollutes
  •  15
  • 5.We should turn on/turn off electrical equipment when we don't use them.
    turn off
  •  15
  • 6.We shouldn't pour/hold chemicals into our sinks because they pollute water.
    pour
  •  15
  • 7.Using solar energy is clean/dirty and harmless.
    clean
  •  15
  • 8.We should raise/plant more trees because we need them to breathe.
    raise
  •  15
  • 9.We should use/give electric cars because they are clean.
    use
  •  15