Verified answer

Ответ:

2 having done

3 to have won

4 have been working

5 to have been given

6 to have been swimming

7 have given

8 to come

9 have been practising

10 to be-have been running

11 to have been chosen

12 have prepared

13 be

14 have been cleaning

15 have given

16 to have been trying

17 be studying

Объяснение: