Write the correct possessive pronouns to fill in the gaps.

1 A: Whose alarm clock is this?
B: It's Helen's alarm clock. It's ... .

2 A: Whose camera is this?
B: It's Bob's camera. It's ... .

3 A: Whose watch is this?
B: It's my watch. It's ... .

4 A: Whose skateboard is this?
B: It's Bill and Jane's skateboard. It's ... .

5 A: Whose ball is this?
B: It's my sister's and my ball. It's ... .