помогите с пробным гиа по русскому

Выбери и обведи нужную букву.

1) My pets __  funny

a) am b) is c) are

2) __ your dog  black ?

a) am b) is c) are 

3) My friend __ not lazy

a) am b) is c) are

4) Are you a pupil? - Yes, I __

a) am b) is c ) are