2.A:Whose camera is this?
B:It's Bob's.It's his camera.It's his.
3.A:Whose watch is this?
B:It's Tony's.It's his camera.It's his
4.A:Whose skateboard is this?
B:It's Bill's.It's his skateboard.It's his.
5.A:Whose football is this?
B:It's Paul's and Ann's.It's their football.It's theirs
6.A:Whose alarm clock is this?
B:It's Pat's.It's his alarm clock.It's his