Respuesta :

234483279c20

Answer:

11. ISN'T

12. ISN'T

13.ISN'T

14. AREN'T

15. ISN'T

16. I AM NOT ill. I am not happy.

17. ISN'T

18. Dave and Adrian AM NOT sisters. They ARE brothers.

19. ISN'T

20. Susan and I AREN'T teachers. We  ARE students.

* hopefully this helps:) Mark me the brainliest:)!!

Is, is, is, isn’t, is, am/am not, is, aren’t/are, is, aren’t/are