Ana, por que gastes tanto dinero en joyas?
¿Cuándo juegan?
This means when do they play. Putting ellos in the sentence is not necessary.
<u><em>Spanish:</em></u>
Carlos debe ir a comer en "Ristorante DiAntonio" por que es un restaurante italiano.
<u><em>English:</em></u>
Carlos should go eat at "Ristorante DiAntonio" because it is an Italian resaturant and not a Spanish one.
