Ответ: There, their
Краткое пояснение: Выбираем наречие there (там) и притяжательное местоимение their (их).
- There / Their / They're are two beds in this bedroom, for my two daughters. (there - указывает на место).
- Both of there / their / they're beds have got warm quilts. (their - притяжательное местоимение, указывает на принадлежность).
Ответ: There, their