Complete os espaços abaixo usando am, is ou are.
a) São Paulo ________________ a big city.
b) São Paulo and Rio de Janeiro ___________________ big cities.
c) My dog _______________ very fat.
d) We _______________ good students.
e) They _______________ my friends.
f) Maria ______________ my best friend.
g) He ________________ Peter’s brother.
h) I _________________ a teacher.