1) You'd like to learn more about this world while you're here anyway. Accompany him for the day and see what this place is like until he can contact a proper instructor for you.
"I might as well stick around and learn a bit about the world. Maybe I can even learn a bit of Spacetime Magic."
Chrono clasped his hands together. "Very well then. I highly doubt you're keen enough to learn anything of my school of study. That said, I will give you basic insights into wizardry, lest you get yourself into even more trouble. We make leave shortly. I'd like to get there before it gets dark."
Before you both prepare, you spent what felt like an hour taking a quick tour of Chrono's tower. In the book, you were told that wizards live in towers and even have names for them (this one being Tower Whitehall), and even different aesthetics and architecture. This one was a standard fare sort, only its impossibly-white brick and unique wizard flag identifying it as Chrono's home. It'd be interesting to see what your tower would be like if you were from this world.
You don't have too much time to think about that however, as Chrono gathers supplies, stuffs them into a bag, and heads to the narrow dirt path to--where did he say he was headed again? Oh, right. Knightsbridge, a city-state about a day's walk north of here. Well, that's when you're not using magic. Because with a quick spell and flick of his wand, Chrono decreased the day's journey to about 1/3 of that time. He said he could've instantly teleported, but didn't want to use too much mana.
The day slowly becomes evening. The stars appear and threaten to increase their brilliance as the day ages.
"Chrono? Are you from this world or are you stuck here like I am? You're . . . a kid, and stuff."
"What was the word you used? Ah, 'botched'. Yes. Quite. A failed spell. Yours. I neglected to inform you of this back at Whitehall, but whatever you did interfered with my access to the 4th Dimension, and it blacklashed, turning back the clock on me, so to speak."
"Oh. Sorry."
"Worry not, young one. It isn't the first time this has occurred. And surely not the last," he sighs. "I'm really the equivalent of 50 of what I assume is likely your world's years. Quite old, if my assumptions are accurate."
1) Ask him about Invocation Magic.
2) Ask him about States and Unions and stuff.
3) Something else.