Final answer:
The correct alphabetical order is Knew, Knock, Know.
Step-by-step explanation:
The list that is in correct alphabetical order is option a. Knew, Knock, Know. The word 'Knew' comes before 'Knock' in alphabetical order because 'K' comes before 'N' in the English alphabet, and 'Knock' comes before 'Know' because 'o' comes before 'w'. Therefore, the correct alphabetical order is Knew, Knock, Know.
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