Possessive adjectives/pronouns

--- dog is this?

----- this girl? She is my sister.

That robot was ... .

... city museum is very interesting.

 It’s Yaroslav’s radio. It’s _____

They’re my sneakers. They’re _____

Fill in the gaps

 It’s Olga’s blog. It’s _____

Is this trumpet ...?

You can use ... instruments.

Is she .......sister or cousin?

This luggage is .......

....... scarf is this?