Final answer:
The appropriate form of the verb estudiar to fill in the blank in the sentence 'Yo quería __________ esta noche' is estudiar.
Step-by-step explanation:
The appropriate form of the verb estudiar to fill in the blank in the sentence 'Yo quería __________ esta noche' is estudiar. The verb estudiar means 'to study' in Spanish. Since the subject 'Yo' is used, the correct form of the verb is 'estudiar.'
Learn more about Spanish verbs