Вставьте вместо пропусков глаголы am, is, are: a) i a pupil. b) she a good doctor. c) they not at home. d) my mother an engineer. e) dogs in the street. f) i not a pilot.

a) I _am__ a pupil.

b) She _is__ a good doctor.

c) They __are_ not at home.

d) My mother __is_ an engineer.

e) Dogs _are__ in the street.

f) I _am__ not a pilot.