将以下单词变为复数形式.句子单数变复数

题目

将以下单词变为复数形式.句子单数变复数
card daughte cousin father sister brother son pencilcase family baby dictionary boy play photo watch bus class it she he you I is am this that
This is a book
That is an eraser
It is a red apple
I am a boy
He/She is a teacher
What ’s this?

答案

cards daughters cousins fathers sisters brothers sons pencilcases families babies dictionaries boys plays photos watches buses classes they they they you we are am these thoseThese are books.Those are...