Someone help please!

Question 5 (fill-in-the-blank worth 1 points) yo nado en la answer for blank 1: question 6 (fill-in-the-blank worth 1 points) ¿quién sube las maletas? el answer for blank 1: question 7 (fill-in-the-blank worth 1 points) el ascensor no funciona (fuctioning, working). yo uso la answer for blank 1: question 8 (fill-in-the-blank worth 1 points) la habitación tiene un cuarto de privado. answer for blank 1: question 9 (fill-in-the-blank worth 1 points) yo quiero la habitación individual con un cuarto de privado. answer for blank 1:

Does anyone know what my spanish teacher means by this? i need to use plural forms of the verb ser. and she asked me to use a couple of adjectives to describe the boys collectively and then the girls collectively?

Este animal es el "rey de la selva." a. tigre b. hiena c. elefante d. león