They're my grandparents.对my grandparents提问

They're my grandparents.对my grandparents提问 They're my grandparents 对 visit my grandparents 提问 They are my grandparents.(对划线部分的句子提问)my grandparents是划线部分 They are (my grandparents).对括号部分进行提问 用my grandparents提问 They were not my grandparents. Those are my grandparents(对划线部分提问）画线部分为 my grandparents my keys are (in grandparents' room).对括号部分提问 they are my grandparents 改为一般疑问句 They are my grandparents否定回答 My grandparents told me they were____