Ответ:
The child\’s program — the children’s programs;
the mouse\’s tail – the mice’s tails;
the man\’s car – the men’s cars;
the pupil\’s book – the pupils’ books;
the girl\’s song – the girls’ songs;
the friend\’s computer – the friends’ computers;
the brother\’s bike – the brothers’ bikes;
the teacher\’s desk – the teachers’ desks;
the woman\’s dress – the women’s dresses;
the sheep\’s tail – the sheep\’s tails;
the goose\’s color – the gees’ colors;
the deer\’s name – the deer’s names.