Study of the empty categories in oracle bone inscriptions from the Shang dynasty ruins. Study of the empty categories in oracle bone inscriptions from the Shang dynasty ruins 并列题名：Study of the empty categories in oracle bone inscriptions from the Shang dynasty ruins yin xu jia gu ke ci kong yu lei yan jiu/: a study of the empty categories in oracle bone inscriptions from the shang dynasty ruins, yin xu jia gu ke ci kong yu lei yan jiu =: a study of the empty categories in oracle bone inscriptions from the shang dynasty ruins/ Yin xu jia gu ke ci kong yu lei yan jiu/: A study of the empty categories in oracle bone inscriptions from the Shang dynasty ruins, yin xu jia gu ke ci kong yu lei yan jiu =: a study of the empty categories in oracle bone inscriptions from the shang dynasty ruins / Yin xu jia gu ke ci kong yu lei yan jiu =: A study of the empty categories in oracle bone inscriptions from the Shang dynasty ruins/ Yin xu jia gu ke ci kong yu lei yan jiu =: A study of the empty categories in oracle bone inscriptions from the Shang dynasty ruins / Study on the verbs in bronze inscriptions of two Zhou dynasties