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[G4] Present perfect continuous tense

  •  English    6     Public
    Present perfect continuous tense
  •   Study   Slideshow
  • Choose the correct answer.
    has been
  •  20
  • Choose the correct answer.
    been
  •  20
  • Choose the correct answer.
    been working
  •  20
  • Choose the correct answer.
    has been
  •  25
  • Choose the correct answer.
    have been watching
  •  25
  • Choose the correct answer.
    has been teaching
  •  25