Final answer:
The correct word to complete the sentence is 'le duele' which means 'has a sore'.
Step-by-step explanation:
The correct Spanish word to complete the sentence is le duele. The sentence should read: A mi papá le duele la garganta. This means 'My dad has a sore throat' in English. In Spanish, we use the verb 'doler' to talk about physical pain and discomfort, and we need to use the indirect object pronoun 'le' to indicate that the pain is being felt by someone else.
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