Answer:
Si salimos esta noche, iremos a bailar en la discoteca.
Si me llama el jefe, le tendre que mentir porque no quiero ir.
—A quince which is held for birthdays! family comes to celebrate and bring gifts and there’s a bunch of music dancing and entertainment!
—Día de los Muertos! A celebration of the dead to respect and welcome their spirits!
He (Which should be El, but anyway) visto is not correct, because you are talking about someone else. Yo Tengo is correct, because you are staying that you have seen.
1. lo
2. necessito
3. la
4. un sombrero
5. no te entiendo
hope this helps!