The answer is sono. Because sonar means sound and it would only makes sense if it’s sono.
No lavarse la boca y comer mucho dulce
I think is right like that
however, if something it should be Carla (le, les, se) compro los anteojos de sol
Answer:
Ella se hace una promesa, declara que nunca se enamorará
Explanation:
D. Sepas
Hope that helped