Help I have a McDonalds interview tomorrow!!?

This is my first job interview and although people say it's easy and stuff, I'm still really nervous, can anybody help me answer these questions?

1. What is your greatest achievement to date? (I've never had a job before and I'm not that involved in my school)

2. Name a time you did something wrong and what happened?

3. What do you know about McDonalds? (am I supposed to just talk about the history or?)

4. Where do you see yourself in 5 years? (I'm not sure if I still want to work at maccas, I'd hope I'd be in uni by then, what should i say?)

5. What are your strengths and weaknesses?

6. And what are potential questions I could ask at the end?