Escribe(write) 5 oraciones(sentences) using "de": Remember: 's doesn't exist in Spanish, instead we use "de"

Example:

My friend's apple. (In Spanish we say the apple of my friend)

***La manzana de mi amigo.(this is a correct answer)

1. Creo que el libro es de Manuel.

2. ¿Sabes de quién es este almuerzo?

3. ¿De quien es esta computadora?

4. La computadora es de Gabriel.

5. ¿A quien le pertenece esta manzana?

Translation:

1. I think the book is Manuel's.

2. Do you know whose lunch this is?

3. Whose computer is this?

4. The computer belongs to Gabriel.

5. Who owns this apple?

Hope this helps :)