Раскройте скобки, употребляя глаголы в present perfect или present
perfect continuous:

15) Your eyes are red. Have you cried?

16) Where on earth have you been? I have been waiting for so long!

17) Bill, you have got a black eye again, have you fought?

18) Do you think George has finished the translation? He has been writing for so long!

19) I think I can smell smoke on Debbie's clothes. I'm sure she has smoked.

20) Here you are! I have been looking for you everywhere. Where have you been?