If you are making an ad to want people to go to pizza hut you have to try to convince the people that the food and drinks there are good and maybe they can get a good deal.
Slow, lithargic, hungry, noisy, smelly, rotten, ugly, hideous, and many others. It depends on the zombie, but those are some examples.
a. Wild celebration
A revel is a wild celebration. Your context clue here is the detail that it went "whirlingly on". This gives the image that things are spinning and it is something that could end at midnight. An party hat doesn't end at midnight. A type of dance is something that can spin, but it usually doesn't continue on until midnight. A specific dance type usually only last for a few minutes. An appearance does not make sense.
Can you comment the article because there's no image on a article. Hope this helped, you probably didn't notice.