C195

"Hello, teacher." Su Ying turned around and saw a man around the age of 26 or 27 who was looking at her with a face full of smiles.

Then he said, "Teacher, please go first."

"Alright!" When Teacher Chen saw Su Ying being so polite, his smile became even more harmonious.

He then took the lead and walked in.

This teacher's surname was Chen, and his name was Qing Song