Form the words as in the example.
Example = the textbooks of the pupil-the pupil^s textbooks
1) the letter of her fried-...
2) the nickname of her fried-
3) the photos of the teachers-
4) the sharpeher of his brother-
5) the felt-tip pens of their sons-
6) the cartridges of the children-
7) the computer of my parents-

Спасиб огромное

her friend's letterher friend's nicknamethe teachers' photoshis brother's sharpenertheir sons' felt-tip pensthe children's cartridgesmy parents' computer