Answer:
Cantado
Salido
Descrito
Explanation:
The answer correct for this questions are:
1. C) cantado.
Because Cantar its a regular verb and his past participle its Cantado.
2. C) Salido.
Because Salir its a regular verb and his past participle its Salido.
3. A) Descrito.
Because Describir its a irregular verb and his past participle its Descrito.