Am, are или is? что вставить? she? his sister. she? a doctor. you? his friend. they? pilot. they? my friends. задайте специальные вопросы. anton is a pilot. anton is my brother. nina is his sister.

1 is 2 is 3 is 4 is 5are 6am 7are 8are 9 are 10are

2) is                                    I am
3) is                                    He
4) is                                    She   is
5) are                                  It
6) am                                  They
7) are                                  You       are
8) are
9) are
10) are

Anton is a pilot: 
Who is Anton?
Is he a pilot?
Anton is my brother:
Who is Anton?
Is he my brother?
Nina is his sister:
Who is Nina?
Is she his sister?