Where are they?
They are at school.
What is grandma doing at home?
She is vacuuming at home.
What is he doing?
He is taking a picture.
Where is he? What is he doing?
He is at home. He is cooking. / He is at home cooking.
Where is the cat? What is it doing?
The cat is at home. It is sleeping. / The cat is sleeping at home.
Where are they?
They are at the park.
Where is the boy?
He is at the zoo.
What are they doing at school?
They are studying.
What are they doing at home?
They are dancing at home.
Where is the man?
He is at the library
What is the boy doing outside?
He is flying a kite outside.
What is she doing?
She is eating a candy bar.