Final answer:
The correct verb form to complete the sentence is 'bebes'.
Step-by-step explanation:
The correct verb form to complete the sentence is bebes.
In Spanish, the verb 'beber' means 'to drink'. The sentence is asking 'Do you drink milk?' and the appropriate form of the verb for the subject 'tú' is 'bebes'.
Example: Tú bebes leche todos los días. (You drink milk every day.)
Learn more about Spanish verbs