Перефразируйте, употребляя притяжательный падеж.
1. the sister of my friend
2. the parents of that boy
3. the room of these people
4. the food of those dogs
5. the hobby of these gentlemen

Ответ:

1. the sister of my friend

my friend's sister

2. the parents of that boy

that boy's parents

3. the room of these people

these people's room

4. the food of those dogs

those dogs' food

5. the hobby of these gentlemen

these gentlemen's hobby

Объяснение: