Escribe el equivalente de las palabras en inglés.
modelo marisa es la más inteligente (the most intelligent) de todas.
1.ricardo y tomás (the least boring) de la fiesta.
2.miguel y antonio (the worst) estudiantes de la clase.
3.mi profesor de biología (the oldest) de la universidad.
4.ella (the youngest) del grupo.

The correct Superlative to fill each blank is:

Translation.

Superlative in Spanish.

This type of sentence is usually created using the noun, the conjugated verb "ser" in a specific tense, a definite article (el, la, los, las), the words "más" or "menos" depending on the type of superlative used, the adjective and a place complement. The structure is shown below:

Some examples are shown below:

If you want to learn more about Superlatives in Spanish, you can visit the following link: link

The Equivalent for the words in each sentence is:

the least boring = los menos aburridos.

the worst = los peores

the oldest = el más viejo

the youngest = la más jóven.

Explanation:

To understand personnal adjectives we need to understand also that in spanish are classified by sex and in plural and singular forms.

1.- First sentence says: Ricardo and tomas are "the least boring" boring is aburrido least los menos so they are los menos aburridos de la fiesta.

2.- Second sentece says: Miguel and antonio are the worst/ peores students estudiantes of the class de la clase.

3.- The third sentence says: My biology profesoris(male) Mi profesor de biología es the oldest of the university el más iejo de la universidad being the oldest más viejo.

4.- The fourth sentence says: She is ella es the youngest la más jóven of the group del grupo. Youngest being la más jóven.

answer: the answer is saben