Final answer:
The best Spanish word to complete the sentence is 'está'
Step-by-step explanation:
The best Spanish word to complete the sentence would be 'está'.
'Está' is the third person singular form of the verb 'estar' which means 'to be'. It is commonly used to indicate location. In the given sentence, 'La casa de Soledad está en Paris', it means 'The house of Soledad is in Paris'.
Therefore, 'está' is the correct Spanish word to complete the sentence.
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