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3.2

Exercise

6

Write sentences using the Present perfect continuous.

Solution

  1. Scientists have been investigating global warming for years.
  2. William has been donating food to charity.
  3. You haven't been listening to me!
  4. Has Katy been studying all morning?
  5. I haven't been feeling very well.
  6. What have you been working on?

Altri Esercizi

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6
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