Answer:
She started school today.
My neighbour's children were playing in their garden.
My family are going on our hiliday in July.
I gave the children back their ball.
My cat put its head on my lap and purred.
Explanation: Pronouns is replacing 1st, 2nd, 3rd person.
I-me- my- mine-myself.
They, them, their, theirs, themselves
You, you, your, yours, yourselves
It, it, it's, it self
The subject, object, possessive adjectives, possessive pronoun, reflexive