Odpowiedź :
1. Whose bag is this?
It’s Steve’s bag.
2. Whose is that dog?
It’s my sister’s dog.
3. Whose are these books?
These are the boys’ books.
Odpowiedź:
1. Whose bag is this?
This is Steve's bag
2. Whose dog is that?
That is my sister's dog
3. Whose books are these?
These are the boys' books