C190 Bet
Zi Tan muttered these four answers, feeling extremely shocked.
His answer was completely correct.
Not only Zi Tan, even the faces of the two girls, Qing and Hong, were filled with shock.
The answer to this question was something that countless scholars wanted to solve, but no one could. Mo Changyou had solved it four times in one go.
It was no wonder that he said that the couplet was simple