Final answer:
The word that best fits the definition is 'lave' which means 'to wash' in Spanish.
Step-by-step explanation:
The word that best fits the definition is lave. This is the correct conjugation of the verb 'lavar' in the third-person singular form. It means 'to wash', so the sentence translates to 'My mother hopes that I wash the dinner dishes'.
Learn more about Spanish verbs