Some exercises. Please help

Here are the answers for the exercise

1. have been

2. did she meet

3. has he been

4. went

5. have we owned

6. did she graduate

7. did the children go

8. didn't write

9. drank

10. Has she ever tried

11. have you lived

12. Have you ever been

13. didn't go

14. did you go

15. Have you eaten/ Did you eat (Both is correct)

16. have wanted

17. has had

18. didn't see

19. did you have

20. Has he ever played

i believe it is d.) previous creature

im not 100 percent sure but i think its a