C99 Sorry I Don't Understand!

"We were just about to head to the zoo," Yumu hesitated for a moment before asking, "Why not join us?"

Ruonan glanced at Jingru, who stood beside Yumu. Understanding her brother's intention, Jingru smiled and said, "Come along! We're already here anyway."

Ruonan thought for a moment and asked Yumu, "Are you sure that’s okay?"

Yumu perked up immediately, grinning