I can't find my book. Its cover is red.

The baby threw a ball in the room. Which ball is its？

The dog likes playing with its bowl.

The dog wagged its tail. Its tail is beautiful!

The cat sat licking its paws.

The rocket steepened its ascent.

Its skin feels really smooth.

We shall have to explicate its basic assumptions before we can assess its implications.

Water will always find its own level.

The school is the first of its kind in Britain.

The poor little thing! It's lost its mother.

The crisis was at its height in May.

She gave the baby its food.

The book has lost its jacket.

The dog is wagging its tail to show friendship to people.

这些例句涵盖了“its”作为形容词性和名词性使用的情况，适合六年级上册的学生学习和使用。