Respuesta:
1. MY TEACHERS don't.
2. MY FRIEND doesn't.
3. MY FRIENDS don't.
4. THE NURSE doesn't.
5. HE doesn't.
6. YOU AND I don't.
7. LUCY doesn't.
8. MY AUNT doesn't.
9. MY DOG doesn't.
10. MY DOG AND MY CAT don't.
11. MY GRANDPARENTS don't.
12. I don't.
13. PETER doesn't.
14. PETER AND MY BROTHER don't.
15. SHE doesn't.
16. MARY doesn't.
17. THE DOCTORS don't.
18. THEY don't.
19. WE don't.
20. MY CAT doesn't.
Explicación:
