See?

This was why she only tossed a single piece of gum. The skrewt clearly wasn't keen on eating it. What a waste. Instinct told her to take a step back when the skrewt came closer, but doing so had her knocking into another student. She murmured an apology, and kept where she was, eyes going from the professor to the creature. His wand, could he go ahead and pull it out now?

And could all the other students stop panicking and trying to talk to the skrewt? They weren't really helping, but she wasn't too fussed with them right now since the creature still hadn't yet to attack them directly.