The answer is "Yo"
this is the answer because "Laura" is saying her opinion.
Not "nosotros"(we) because she is talking about herself.
Not "tu"(you) or "ellas"(they fem.)because it doesn't match up with the verb used in the sentence "creer".
But what’s your question?
Answer:
1. Mi mama dio el dinero a papa
2. El mesero sirvio el pacho a la senora
3. Mi amigo me trajo el libro
4. Lei unos libros a los ninos.
5. Prepare la sopa para los invitados
6. Mama me sirvio la chuleta
7. Uds traigan el menu a los clientes
8. Yo di las fotos a mi hermana.
9. Vallamos a dar los filetes a los señores
10. Puse la mesa para mama
(im not completly sure if this is correct)
