Hi there!
Please visit the links below to get some useful advice for your speaking test:
https://www.educa2.madrid.org/web/educamadrid/principal/files/cdd25945-8ce8-4560-95cf-43ab8f0f3935/ConsejosB2C1tarea1.pdf?t=1522775276389
https://www.educa2.madrid.org/web/educamadrid/principal/files/cdd25945-8ce8-4560-95cf-43ab8f0f3935/consejosB2C1tarea2.pdf?t=1522775428820