C371 Solution

After Wu Xu and Zhang Mengmeng left the Pacific Hotel, they took Ma Zhong's Audi to Rongcheng. On the way to the construction site of the tourism project of Wanghai.

Wu Xu and Zhang Mengmeng sat side by side in the backseat of the car.

Zhang Mengmeng wrote a note for Shen Ao to tell Wu Xu that Gu Xiaohui and Ma Junhao were eating in the 838 private room of the Pacific Grand Hotel