Ella _<span>les</span>_ da los libros a los chicos.
According to the option provided the answer would be "¡ Ella está guapa en su traje de novia!" This would mean that she is pretty in her wedding dress.
if we pay attention to the verb form, it might be said that it agrees in gender and number with the subject pronoun "ella". It is 3rd person singular and feminine. <span />
"participaban" should be in the blank.
<span>Anteayer pedro tuvo in accidente y lesiona la mano. c: Buena suerte. </span>