C144 Hand in the Papers in Advance and Set up a Stall

Three short, one long, one long.

Twenty minutes later, Yu Leelee had filled up the paper. She looked at it with satisfaction and raised her hand.

"What is it?"

"Teacher, I've finished writing. Can I hand in my script in advance?"

"What? You finished writing in 20 minutes in 90 minutes?" The teacher walked towards her suspiciously and only took a rough look at her exam paper