Final answer:
The best way to word the sentence is 'The 7th Fleet has carriers, destroyers and aircraft.'
Step-by-step explanation:
The best way to word this sentence is: The 7th Fleet has carriers, destroyers and aircraft. In this sentence, 'The 7th Fleet' is the subject, and 'has' is the correct verb to use because it agrees with a singular subject. Using 'have' would be incorrect because it would suggest that the fleet is a plural noun.
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