POSSESSIVE 's / of

Maria works at a ... in London.
1. travel agent's
2. travel agents
3. travel's agent
She's a successful manager and her speciality is dealing with ...
1. the problems of customers
2. customers's problems
3. customers' problems
Her parents are Mexican, and when she travels to Mexico she stays on her ...
1. grandparents's farm
2. grandparents' farm
3. farm of her grandparents
... lives in Lima.
1. The cousin of Maria
2. Maria's cousin
3. Cousin's Maria
When she goes to Peru, she stays at ...
1. her cousin
2. the house of her cousin
3. her cousin's
Maria has two children, but she is divorced. ... lives in Madrid.
1. Her children's father
2. Her childrens' father
3. The father of her children
Once a month the children spend a weekend at their ...
1. fathers'
2. father's
3. house of their father
After her divorce, Maria has problems. She thinks that her ex-husband doesn't understand ...
1. her situation's difficulties.
2. her situations' difficulties.
3. the difficulties of her situation.
Her children love the Rolling Stones. ... are covered in posters of Mick Jagger.
1. Their bedroom's walls
2. Their bedrooms's walls
3. The walls of their bedroom
They have painted "We know it's only rock and roll, but we like it", on ...
1. the garage's door
2. the door of the garage
3. the door's garage