C171 Qin Su's Whereabouts

Since the principal had a word with Qin Su, and Gao Yan, through Pann Hao, advised her to be cautious with the test questions, Qin Su has rarely been seen by her classmates. Other classes didn't notice much, but in Qin Su's class, many students were curious about what she was up to.

Everyone knew Du Xiao was working with Qin Su, but whenever they asked Du Xiao, he claimed ignorance