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.
it is possible to set
some grammar rules in Spanish language. for example:<span>
- Every sentences need a Subject + a verb that correspond to
each other
Pedro escribe cartas de amor
- Adjectives come AFTER the noun.
chica rubio
- to make a negative sentences, you need the word NO before
the verb.
<span>- ellos no van a la fiesta</span></span>
