C90 Putting on a Show

"Hmm?" The invigilator walked over and asked, "What business do you have with me?"

"I want to submit my paper in advance." Su Xiaoxiao said naturally.

Submitting the paper in advance?

Many students in the examination hall raised their heads to look at Su Xiaoxiao, feeling somewhat puzzled.

I've seen people who submitted their papers earlier, but I've never seen one submitted so early