根据句意，写出画线部分单词的对应词

①Mr. Green is hisfatherand Mrs. Green is his  .

② Look!ThisKate and  is Peter.

③Mysisteris Gina, my   is Tony.

④Theseare my parents and   are my grandparents.

⑤This is Tom.Heis my friend. And that is Linda.   is Tom's sister.