The answer for this one is Simple Subject.
C...............................i did the same problem
The verb form in the sentence is the future continuous
The word Buzzin go to the radio
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
