Final answer:
The correct form of the verb 'tener' to fill in is 'tuve'.
Step-by-step explanation:
The correct form of the verb 'tener' to fill in the blank for the sentence 'Yo ______ mucha tarea anoche' is 'tuve'.
The verb 'tener' is conjugated in the first person singular (yo) form as 'tuve' in the past tense. This form indicates that 'I had' a lot of homework last night.
Here is the correct sentence: 'Yo tuve mucha tarea anoche.'
Learn more about The usage of the verb 'tener' in Spanish