Please help me I need this done

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?

What is the difference between "conocer" and "saber"? use each verbs in a sentence in spanish.

Lee la frase y escribe el subjuntivo del verbo en paréntesis. read the sentence and write the subjunctive of the verb in parenthesis. you may copy and paste the accented and special characters from this list if needed: á, á, é, é, í, í, ó, ó, ú, ú, ü, ñ, ñ, ¡, ¿ los profesores prefieren que los estudiantes ) más para los exámenes.