问个英语问题.说明理由哦3,No one knows whether Mr Li lives on the-----（八）floor of this building.

问个英语问题.说明理由哦3,No one knows whether Mr Li lives on the-----（八）floor of this building.
问个英语问题.说明理由哦
3,No one knows whether Mr Li lives on the-----（八）floor of this building.

问个英语问题.说明理由哦3,No one knows whether Mr Li lives on the-----（八）floor of this building.
eighth 第八
没人知道李先生是否住在这栋建筑的第八层