Which reflexive pronoun correctly completes the second sentence?
ana tuvo un accidente. cayó de la bicicleta en el parque.

me

te

se

nos

Ana tuvo un accidente. Se cayó de la bicicleta en el parque.

Translation: Ana had an accident. She fell off the bike in the park.

Explanation:

The subject in these sentences is Ana, who is a third feminine and singular person, so the correct reflexive pronoun is Ella se.

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

if your asking for what that says, it is

which of these words is an

but i don't know what sentence your asking for the adjective from.