The verb ending is the only thing that changes in present tense form, depending on who does the action. In this case, it is talking about "you" or "tu" meaning that it will end in "-es", or "haces". Therefore the answer would be:
<em>Que haces tu?</em>
Answer:
no lo sé
Explanation:
usted debe calificar mis grados.
usted debe tomar aqua.
usted debe ser saludable.
usted no debe enojarse.
usted no debe ser mal agradecida.
