Замените существительные с предлогом “of” существительными в притяжательном падеже. Образец: the surname of his friend - his friend’s surname The room of my friend, the questions of my son, a meeting of students, the rays of the sun, the wife of my brother, the table of our teacher, a distance of two miles, the poems by Pushkin, the voice of this girl, the new club of the workers, the joys of life, the house of his parents, the theatres of Moscow, the letter of Pete, the children of my sister Mary, the rights of the women, the car of my parents, the life of this man, the watch of Mr. C., the cigarette of that man, the umbre¬lla of the girl, the room of the girl, the plane of the king, the room of the girls, the suit of the waiter, the football of the boys, the money of my mother, the motor-car of John.

Так и пиши по образцу:
My friends room
My sons questions
My brothers wife
Our teachers table