At a class reunion, an old classmate is talking about people in the class, but keeps getting them confused. correct each of her descriptions by completing the statement that follows it.
—daniela era seria.
—no,
a.
baja.
b.
inteligente.
c.
cómica.

c) No, era cómica.

Translation: Daniela was serious. No, she was funny.

when the outside temperature is too cold, an endothermic animal can generate heat by shivering. endothermic animals must eat much more often than ectothermic animals since it takes energy to maintain a constant body temperature.

corras is the only one that is informal but doesn't follow the suffix rule. correr is the verb. corre is the formal verb form. corra would be used as the formal is corre ended with an a.

your best bet would be corras, it's the only one that is informal but is still wrong