Answer:
1) Inteligente
2) Grande
3) Pequeña
4) Castaño
5) Simpática
6) Seria
7) Atléticos
Explanation:
1) Speak in first singular person so inteligentes can't be, is plural in spanish
2) Speak in first singular person so grandes can't be, is plural in spanish
3) Cant' be chico because is masculine, so it has to be pequeña due to Alicia i talking about girl in that part
4) We don't know yet if its a boy or a girl so in spanish we tend to generalite in masculine
5) Persona is a word to refer men and women but always goes with female adjectives
6) Refers to a girl/women so it has to be seria due to serio is to men (masculine)
7) Speak in third plural person so atlético can't be, is singular in spanish