Final answer:
The correct word that completes the sentence is 'winter'.
Step-by-step explanation:
The word that correctly completes the sentence 'My favorite season is' is winter. The correct option is B. capitalizing the word 'Winter' as it is the first word of the sentence. The first letter of the first word in any sentence should always be capitalized. Therefore, option B, 'winter', is the correct choice.
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