How many toothbrushes do you see?
...
What is it doing?
It is using the toilet!
What is she doing?
She is brushing her hair
What is in the cup?
Toothbrushes and a hairbrush are in the cup!
How many tubes of toothpaste do you see?
...
What is he doing?
He is brushing his teeth
What is he doing?
He is taking a shower!
Where is the toothbrush?
On the sink
What is this?
It's a sink!