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The Correct Answer and Explanation is:
Based on the options provided in the image, the correct choice is:
Nighttime leg cramps frequently occur in calf muscles.
A complete sentence is a fundamental unit of grammar that must contain, at a minimum, a subject and a predicate, and it must express a complete thought. The subject is the noun or pronoun that performs the action or is in a particular state of being, while the predicate is the part of the sentence containing the verb that tells us something about the subject.
Let’s analyze the first option: “Oscar’s antique maple chair with an artistically hand-woven seat.” This group of words provides a very detailed description of an object. The phrase “Oscar’s antique maple chair with an artistically hand-woven seat” acts as a complex subject. We know what the sentence is about, which is the chair. However, it lacks a predicate or a main verb. There is no action being performed by the chair, nor is there a verb describing its state of being. The reader is left waiting for more information, asking, “What about the chair?” Did it break? Was it sold? Is it beautiful? Because it does not express a complete idea and is missing a main verb, it is considered a sentence fragment.
In contrast, the second option, “Nighttime leg cramps frequently occur in calf muscles,” fulfills all the requirements of a complete sentence. The subject is “Nighttime leg cramps,” which clearly identifies what the sentence is about. The predicate is “frequently occur in calf muscles,” with “occur” serving as the essential main verb. This verb tells us what the leg cramps do. The sentence makes a clear and complete statement that can stand on its own without needing any additional information to make sense. It presents a full thought by stating a fact, making it the grammatically correct complete sentence.
