Answer: 1-Los chicos son simpáticos.
2- La ciudad es única
3- Los monumentos son antiguos
4- La plaza es agradable
5- El tráfico es horrible
Explanation: "La" is for singular
words that end with a. "Él" is for singular words that end with o. "Es" is for singular and "son" is for plural
La abuela es MAYOR DE EDAD.
If you have options to fill in the blank, plz let me know.
I think the correct answer is the a.Amable