Question

•Possessive adjectives are used to indicate who owns what and to show relationships.

•In English, my, your, his, her, our, and their are possessive adjectives.
yo mi/mis nosotros
nuestro/nuestros
nosotras
nuestra/nuestras
tú tu/tus vosotros
vuestro/vuestros
vosotras
vuestra/vuestras
usted/él/ella su/sus ustedes/ellos/ellas su/sus

•Spanish possessive adjectives, just like other adjectives, change their endings to reflect number. The nosotros and nosotras forms (nuestro, nuestra, nuestros, nuestras) also change to reflect gender.
mi hermano / mis hermanos BUT:
mi hija / mis hijas nuestro tío / nuestros tíos
tu flor / tus flores nuestra tía / nuestras tías

A. Look at each noun. Choose S if the noun is singular and P if it is plural.
A-1) primo
Choose...
P or S

A-2) regalos
Choose...
P or S

A-3) hijas
Choose...
P or S

A-4) flor
Choose...
P or S

A-5) pastel
Choose...
P or S

A-6) tío
Choose...
P or S

A-7) globos
Choose...
P or S

A-8) familias
Choose...
P or S

Answer 1

Lana the person above me is correct !

Answer 2

A-1 (s)
A-2 (p)
A-3(p)
A-4 (s)
A-5 (s)
A-6 (s)
A-7 (p)
A-8 (p)

You can tell if it’s plural if it has an es, s, as, os at the end of the word. And if it’s singular than it would usually end in o or a