Choose the right word.
1.It’stheir/theirs problem, not our/ours.Their and ours are right
2.This is a nice camera. Is it your/yours?
3.That’s not my/mine umbrella. My/mine is black.
4.Whose books are these? Your/yours or my/mine?
5.Catherine is going out with her/hers friends this evening.

1. Their Ours

2. Yours

3. my Mine

4. Yours mine

5. her

1 ours 2 yours 3 my, mine  4 yours , mine  5 her