my grandmother is talking to my father(划线部分提问)对my father 提问

问题描述:

my grandmother is talking to my father(划线部分提问)对my father 提问
my grandmother is talking to my father(划线部分提问) 对my father 画线(提问)

很高兴能够在这里回答你的问题,这道题的正确答案应该为:
Who is your grandmother talking to?