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:
Besaba
Explanation:
Laura besaba a Domingo
Mi abuelita los adora
Hope this helps please let me know if its wrong