Whose ski glasses are they?
They're Tony's.
Whose... Is it X are they?
Whose glasses are they?
Whose... Is it X are they?
Whose dog is it?
Whose cat is it?
It's Bob's.
Whose... Is it X are they?
Whose apples are they?
Now you ask!
Whose ____ Is it/are they?
Whose... Is it X are they?
Whose backpack is it?
Whose camera is it?
It's Elisa's.
Whose... Is it X are they?
Whose cap is it?
Whose... Is it X are they?
Whose books are they?
Whose... Is it X are they?
Whose car is it?
Now you ask!
Whose ____ Is it/are they?
Whose... Is it X are they?
Whose ball is it?
Whose headphones are they?
They're Rebeca's.
Whose... Is it X are they?
Whose skateboard is it?
Whose... Is it X are they?
Whose boots are they?
Whose... Is it X are they?
Whose toys are they?