I got a textbook in my hand and it was ringing for class. Without preparation - that was my first thought. The second was: there's nothing you can do, I have to do it, so here we go. I had to repeat a fairly simple substance with them. But under stress, my brain seemed to freeze. I couldn't think of anything at all.
The second was: there's nothing you can do, I have to do it, so here we go.