A.
1. have had
2. have worked
3. have been
4. Have
5. had
B.
6. has had
7. has been
8. has worked
9. has had
C.
10. has been
11. hasn't had
12. has been
13. has been
D.
14. have been
15. have read
16. haven't decided
17. have decided
18. Have you decided
