问题
选择题
They are my father's father and mother, my ______. [ ]
A. grandparent
B. grandfather
C. grandparents
答案
答案：C
搜题请搜索小程序“爱下问搜题”
They are my father's father and mother, my ______. [ ]
A. grandparent
B. grandfather
C. grandparents
答案：C