Answer:
6. Los muchachos se visten
7. Doña Isabela se sienta
8. nosotros nos divertimos
9. Tu te despiertas/despertastes
10. vosotros nos acostamos
Explanation:
Answer for blank 1:
<span>A mí me gusta mucho este cuadro. Es bellísimo (If you highlight something related to an object, it'll probably be because you like it).
Answer for blank 2:
</span><span>Pero llevan vestidos muy bonitos con muchos adornos (or something like that; he's talking about the dresses and how beautiful are they, so any substantive related to ornaments would fit perfectly).</span>