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Revision of Grammar and Vocabulary

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  • The concert___________________ at the moment.
    is being watched
  • What does fossil fuel mean?
    It refers to coal and oils from million years ago and are burned for energy
  • What does deforestation mean?
    It refers to the actions of cutting or burning down the trees in a large area.
  • The song____________________ (sing) right now.
    is being sung
  • What does the word alternative energy mean?
    It refers to power that is produced using the energy from the sun, wind, water, etc.
  • What does acid rain mean?
    It means the rain that has acid.
  • The book ___________________ (sell) at 10 o'clock last afternoon.
    was being sold
  • The fan_________________ (repair) at 9pm last night.
    was being repaired
  • What does toxic waste mean?
    It refers to materials containing poisonous chemicals
  • The picture____________________(draw) now.
    is being drawn
  • What does smog mean?
    It refers to a mixture of smoke and fog caused by exhaust fumes and factory gases
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