Present perfect continuous form – Exercise 260

Choose the best option.

— I'm so tired.

— What have you doing?

— I've been up.

— washing the floors?

— No, I . I hate doing that.

— Have you vacuum-cleaning the carpets?

— No, I . The vacuum cleaner has broken.

— you been wiping dust?

— No, I . I decided to clean up the icons on my desktop first.

— So, have you been the files in your computer all this time?

— Yes, I .

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