Based on your query, I recommend using Questionwell AI. This platform uses artificial intelligence to generate questions based on the material you provide, which can be text, images, audio, or video.

For your specific need of generating original questions about "A Christmas Carol", you can input the text of the story into Questionwell AI. The platform will then generate a diverse set of questions based on the text. You can choose the type of questions you want, such as multiple choice, fill-in-the-blank, or short answer.

Key features of Questionwell AI that could be particularly useful for you include:

• Question Generator: This feature will allow you to generate questions based on the text of "A Christmas Carol".
• Question Bank: This feature will extract essential questions and learning objectives from "A Christmas Carol" and align them with the generated questions.
• Question Selection: This feature will allow you to select, edit, duplicate, remove, or flag the questions you like.
• Export: This feature will allow you to export the questions to various platforms or print them as a PDF.

Remember, Questionwell AI supports different languages and can be used for any subject or topic, making it a versatile tool for your teaching needs.