Final answer:
The correct form of the verb for the subject 'Tú' is 'bebes' which means 'you drink'.
Step-by-step explanation:
To complete the sentence, we need to select the correct form of the verb that matches the subject 'Tú' (You). Since 'Tú' is a singular pronoun, we need to use the singular form of the verb. The correct option is 'bebes', which means 'you drink'. So the completed sentence is 'Tú bebes leche.'
Learn more about Conjugation of verbs in Spanish