Question

reescreva as frases usando o caso possessivo ('s ou " )
the pen of the student
the cat of my mother
the book of the teacher
the house of bob
the dogs of the boys
the notebook of chris
the color of the cars
the doll of the girls
the brothers of charles

Answer 1

the student's pen
my mother's cat
the teacher's book
Bob's house OU Bob's 
the boys' dogs 
Chris's notebook
the cars' colours
the girls' doll
Charles's brother

Answer 2

My mother's cat The teacher's book Bob's house The boys' dogs Chris' Notebook The color of the cars The girls'doll Charles'brothers