Ответ:

Объяснение:

You are so tired and dirty.

What *have you been doing*? (Pr. Perfect Continuous)

I *have been painting* the walls of my room for 5 hours already. (Pr. Perfect Continuous)

But I *haven't finished* yet. (Pr. Perfect)

How long *have you been working* in this firm? (Pr. Perfect Continuous)

He *hasn't been sleeping* for 10 hours. (Pr. Perfect Continuous)

*Has she ever been* to Africa? (Pr. Perfect)

*Have they already done* their homework?

(Pr. Perfect)

Who * has broken* the window? (Pr. Perfect)

What *have they eaten* today? (Pr. Perfect)