Краткое пояснение: Выбираем правильное притяжательное местоимение.
- Is this your book? (your is right)
- It's their problem, not ours. (their and ours are right)
- Are these your shoes?
- Is this camera yours?
- That's not my umbrella. My is yellow.
- They know our address but we don't know their.
- They've got two children but I don't know their names.
- My room is bigger than hers, but hers is nicer.
Ответ: смотри решение выше