C22 Found out by My Older Brother

When Gu Ruyan just entered the house, she saw Teng Jinsi sitting on the sofa in his pajamas watching TV.

"What took you so long?" Teng Jinsi asked.

"There are more people in the supermarket. I'm standing in line. "

"Didn't you take that black card? Why are you still queuing up?" Teng Jinsi asked.

"Oh yes, I wanted to ask you about that black card. Why is it that at the start