I don't know the context, but I believe the answer must be predicate adjective. If your sentence goes something like "This song is popular", popular is a predicate adjective because it goes together with a linking verb ("is"), and modifies the subject ("song"), telling us what the subject is, and not what it does.
<span>Which part of a dictionary entry should you look at to find out whether a word is used in a special way by people in a certain occupation or activity? A. the field labels.
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Answer:
Because he was the longest friend he had ever had and he felt an obligation to protect him
Answer:
At age nine, students began learning Latin, which was the language of international affairs
Explanation:
Hope this helps!