Answer:
Sí, completaré el examen.
Explanation:
According to the question, the answer has to be in future tense. The conjugation of the verb completar in future tense is:
Yo completaré
Tu completarás
El/Ella completará
Nosotros/Nosotras completaremos
Ustedes completarán
Ellos/Ellas completarán
According to this, as the subject is yo, the correct answer is:
Si, completaré el examen.