What that doesn’t make sense well kinda
Hey how is your day going
The correct answer is the first one.
He describes Mrs. Miller's behavior as "unprecedented." By this, he is saying that, of all the parents he has ever known, her behavior is unusual, singular, or unique.
Quite simply, it is strange that she would allow her daughter to run around town with a strange man. Mrs. Miller's behavior is more than silly -- it is downright unheard of.
Answer:
noun
/ˈkämˌpound/
a thing that is composed of two or more separate elements; a mixture.
"the air smelled like a compound of diesel and gasoline fumes"
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adjective
/ˈkämˌpound,kəmˈpound/
made up or consisting of two or more existing parts or elements.
"a compound noun"