Citing the title publisher and publictaion date
A miserable, bitter old miser, Scrooge hates irrational things like happiness, generosity, and Christmas, until a trio of Ghosts shows him the error of his ways.
Really, what's the deal with Scrooge? It's probably safe to say that there were exactly zero people like him in Dickens's reading public (nobody's that mean, right?), so he's certainly not here to make us identify with his awfulness. So what function does this character play? Well, here are two good ways to think about him.
A genre is a classification of something, and it depends on what you are classifying. Often it is music, and these genres can be rock, pop, jazz, punk, R&B and any others like this.
The part of speech which of “oh my” is called an interjection.
In English grammar, interjections are used to express emotions such as surprise, joy, anger and disgust etc.
In this sentence, “oh my” is used to express surprise. The speaker, or writer is surprised and wondering how someone managed to get stuck in their chair.