Answer:
Question 4: Un
Question 5: papitas- unas Estado- un Esquela- una libros- unos
Question 6: los refrescos, las papas fritas, las galletas, las avticidades
Explanation:
4: it is a singular masculine
5: Papitas is plural femanine, estado is singular masculine, equela is singular femanine, and libros is plural masculine.
6: They just need to be plural with gustan.