C91 There Are Plenty of Reasons

Su Xiaoxiao only wrote for thirty minutes before she could not continue writing on any of the subjects!

What did this mean?

He probably didn't know how to write!

Su Yanlin's smile froze and his expression turned ugly.

He had some friends' children, and he occasionally submitted his papers in advance and had good grades.

However …

He had only submitted the paper ten minutes in advance