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
Your answer is b. see a movie
The preterite and imperfect are past tenses in Spanish. Preterite is a definite past tense, representing a situation that had a definite start, duration, and end; finished, completed actions. The imperfect tense is more of an indefinite time period in the past, regarding indefinite time periods, descriptions, and continuous actions in the past.
Preterite:
Vi la película anoche. = I saw the movie last night.
Me gustó la película mucho. = I liked it a lot.
Imperfect:
Juagaba videojuegos de niño. = I used to play video games as a child.
Eran las dos de la tarde. = It was two o'clock in the afternoon.