The woman only saw three of her sons, and she did not see the youngest son come back. She asked, "Qin'er, where is Xiao Si Didn't Xiao Si go up the mountain to chop wood with you three sisters Why hasn't he come back","Younger Sister Yan Shuxue said urgently, 'Didn't my younger brother come down the mountain and go home long ago',Zhong shi urgently patted his chest: "This child, he is probably playing truant again."。