Final answer:
The appropriate noun to fill in the blank is 'tarea', which means 'homework' in Spanish.
Step-by-step explanation:
The appropriate noun to fill in the blank in the sentence is A. tarea.
Tarea means 'homework' in Spanish. It is the most suitable noun to complete the sentence as it refers to schoolwork or assignments.
For example, you could say 'Mi madre cree que es importante tener tarea para practicar y aprender.'
Learn more about Spanish vocabulary