Help Mary to choose the correct possessive adjectives. (Помоги Мэри выбрать правильные притяжательные прилагательные.)

1. (We) ____ house is beautiful.

• My
• Your
• Our
• Their

2. (She) ____ book is interesting.

• Her
• His
• Their
• My

3. (They) ____ flat is big.

• Your
• My
• Their
• Our