Помогитье пожалуйста сделать домашку

1)

1.Is

2.Are

3.Is

4.Am

5.Are

6.Is

7.Are

2)

1.Who is this room

2.How old is Mary

3.Where are you from

4.What is it

5.Who is he

6.Who are your friends

3)

1.Our flat isn't big

2.He isn't my friend

3.They aren't from Moscow

4.I am not nine

5.The cats aren't black

6.Vera isn't in London

4)

1.I am

2.He is

3.It isn't

4.They aren't

5.She is

6.We are