Today is my grandpa's___birthday.A.the eightieth B.eightieth C.eigthy D.eigties填空详解谢谢

问题描述:

Today is my grandpa's___birthday.A.the eightieth B.eightieth C.eigthy D.eigties填空详解谢谢

B.此处需要填一个序数词.CD均是基数词,A中不需要the