Number 5 is papas for papas fritas
If the question is to make it into a proper sentence then you take out en so it says, Muchos jóvenes llevan todo lo que necesitan cuando viajan.
Answer:
1. Encontró.
2. Recibió.
3. Terminaron.
4. Preparó.
5. Yo visitaré.
6. Escuchan.
Explanation:
Identifying the narrator and the time that a sentence indicates is the first step that must be taken. this is very important to be able to conjugate the verbs, and that these have concordance with what is being expressed
40/360: .1~ litro de gasolina por un km