“conduct me where you will. I went forth last night on compulsion, and I learnt a lesson which is working now. To-night, if you have aught to teach me, let me profit by it.”
Explanation
<em>I believe this is the answer because Scrooge is saying that he wants to learn a lesson. Saying he will 'profit' by it is saying that it will be beneficial to him. Hope I helped!</em>
Ooh, I know this one! Definitely "their". A pronoun is anything along the lines of he/him, she/her, they/their, xe/xis, it/its, etc. I hope I helped :)