The answer is _soy_ TRANSLATION: I am not blonde.
•Espléndido
•Pequeña
•Cordobés
•Marchitas
•Gran
•Deshabitadas
•Crueles
•Ágiles
•Valerosos
•Hábiles
I hope this can help you
You would use tú when talking to your bestfriend and usted when talking to your doctor