“ El muchacho” would be the best choice because it is asking a question and “mañana, dia, and hola” all have a past tense sort if deal to them.
Yo: canto
Tu: cantas
El/ella/usted: canta
Nosotros: cantamos
Vosotros: cantamos?
Ellos/ellas/ustedes: cantan
Yo: practico
Tu: practicas
El/ella/usted: practica
Nosotros: practicamos
Vosotros: practicamos?
Ellos/ellas/ustedes: practican
Bailar = to dance
Correr = to run
Yo: bailo
Tu: bailas
El/ella/usted: baila
Nosotros: bailamos
Vosotros: bailamos?
Ellos/ellas/ustedes: bailan
Yo: corro
Tu: corres
El/ella/usted: corre
Nosotros: corremos
Vosotros: corremos?
Ellos/ellas/ustedes: corren
<span>Mrs. (someone's name) is the Spanish teacher.</span>
