a)You are a good dressmaker

b)He is a famous supervisor

c)Is...a hem/Parece que está errada o IS já é o verbo to be,provavelmente deveria ser:It is a hem.

d)We are friends

e)She is my boss

f)You are smart students

g)They are assistant

a) are

b) is

c) já tem o verb to be na frase. Questão errada.

d) are

e) is

f) are

g) are