"<span>b. had been a most unpleasant coincidence that the power outage had come when we had guests staying over; the entire house was full" uses a semicolon correctly because there is a long pause. </span>
It's an adverb adverb adverb
The answer is C, I took it and got it right
Answer: it is either being mentally insane, or another sentence as in 'he was mad about football' meaning he would go crazy for football.
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