Answer: I think that you were suppose to complete the sentence. So instead of saying "No hay muchos." You were suppose to say "No hay muchos estudiantes en la Nebrija." I hope this helps. :)
El edificio
los apartamentos
el apartamento
el balcón
el piso
los muebles
el sofá
"I do not feel well enough to go to school today, my throat hurts, my nose has been dripping all day and I have not stopped sneezing, I think I can have a cold"