Final answer:
The word that completes the sentence is 'nariz'.
Step-by-step explanation:
I have a cold and my nose is congested.
Tengo un resfrío y mi nariz está congestionada.
When translating the sentence from English to Spanish, the word 'nose' is translated as 'nariz' in Spanish. Therefore, the correct word that completes the sentence is 'nariz'.
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