We can actually deduce here that the correct option that relates to this sentence: "George Washington often attended barbecues in the years before the Revolutionary War" is: A. Correct.
A sentence is actually known to be a group of words that actually have a complete thought. Sentence usually have a subject and a predicate.
Sentences are different from phrases because they have subject and predicate and they give complete thought.
We can see here that the given sentence above is a correct sentence.
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