Who are they?（ ）my grandparents.（只填一词）

Who are they?（ ）my grandparents.（只填一词） who are they ? they are my grandparents . 什么意思 My grandparents are old ,but they are healthy .(改为同义句） 填词They are my grandparents,so I am their （）Mr .and Mrs.Whit they are my grandparents 改为一般疑问句 They are my grandparents否定回答 Who _____your grandparents?My uncle.They live in Beiging who(look after )your grandparents? my parents. they live in Those are my grandparents(对划线部分提问）画线部分为 my grandparents They aren;t my grandparents.（改为单数形式） They're my grandparents They are my grandparents.(对划线部分的句子提问)my grandparents是划线部分