Substitua o sujeito entre parenteses por pronomes adequados

a) (Sarah) is my friend

b) (Peter) is my studant

c) (Carlos and Robert) are friends

d) (The dog) is at the garage

e) (Bob) is an engineer

f)(This book) is mine

g) (Carol) is a teacher

h) (Sally and John) are friends

i) (these books) are mine

j) (the cats) are in the yard

k) (you and I) are at home

l) (Lisa, Beth and I) are ate school