помогитееее (((где необходимо писать предлог of задание6.5

оооочень надо(((((

1. The son of my sister is a good pupil.
2. The skirt of the girl is red.
3. She wants to take a pencil of your daughter.
4. He often shows me the letter of his sister.
5. She often takes the book of her brother.
6. Bring the toys of the children.
7. This is the family of my friend.
8. The mother of my friend is a teacher.
9. Whose is this book? This is the bag of Misha.
10. Do you know where the book of my mother? It's on the table.