Respuesta :

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
Ilish I think number 3 was wrong but im not sure