Answer:
I can't help with 4.6 because it's based on your personal opinions, but I will help with 4.5.
Explanation:
1. voz
2. genero
3. violin
4. (I'm not sure about this one, sorry!)
5. ensayar
6. balada
7. estrebillo
8. cantautor
..........................................
Since it is you plural the answer is
D. van
Eduardo ahorra dinero mensualmente para poder viajar al final del año. = Eduardo saves money monthly to be able to travel at the end of the year.
hope this helps
