Canta
The other choices would be incorrect because “canto” is describing a MALE singing and “cantaron” is describing THEY ARE singing
There are two ways.
If the person is the mother of the house: Se llama la ama de la casa limpia la casa.
If the person is hired and is paid: La criada limpia la casa.
Answer: Comparten
This is because this is a conjunction so when using Ellos/Ellas/Ustedes (They) you would change the ending to be en.
Preparamos un plato de granos que se llama fanesca y hacemos umitas que tienen choclo y hacemos proceciones.