Упражнение 260 на образование Present Perfect Continuous

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— 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 .