Перефразируйте, употребляя притяжательный падеж. получившиеся словосочетания переведите на язык. : the flat of my sister, the room of these people, the son of her mother, the food of those dogs, the name of this man, the hobby of these gentlemen, the mark of our student, the work of the man, the ball of my child, the friend of susan.
the room of these people = these people's room
the son of her mother=her mother's son
the food of those dogs=those dogs' food
the name of this man = this man's name
the hobby of these gentlemen = these getlemen's hobby
the mark of our student = our student's mark
the work of the man = the man's work
the ball of my child = my child's ball
the friend of Susan = Susan's friend