<em>What is the structure of this sentence?</em>
<em>Richard L. Burger, a professor of anthropology at Yale, believes Bingham was the scientific discoverer of Machu Picchu.</em>
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<u><em>D. complex</em></u>
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<em>~Hope this answers your question!~</em>
The answer would be C because requisite means required which doesn’t make sense in the other 3 choices
The subject is Cynthia, the verb is “is”, the predicate noun is singer, and the adjective is excellent. Hope this helps!