C117 Paper Box

Zhang Mengmeng heard the knocking and quickly walked out of the bathroom. She ran to the door of the living room outside and asked, What happened?

"Who is it?"

"It's me!" Ma Zhong's voice came from outside.

Zhang Mengmeng immediately opened the door and saw Ma Zhong standing at the door with a cardboard box in his hands. She could not help but ask,

"Ma