Final answer:
The correct verb to complete the sentence is 'habla'.
Step-by-step explanation:
The correct verb to complete the sentence is habla. The subject of the sentence, Enrique, is singular third person. In Spanish, when referring to someone's ability or skill, we use the verb saber. However, when talking about someone's ability to speak a language, we use the verb hablar. So, the correct sentence is 'Enrique habla italiano.'
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