Where are they?
They are at the circus
Where is the hippo?
The hippo is at the zoo
Where is he?
He is at home
Where is the cat?
The cat is at the cinema
Where are they?
They are in the amusement park
Where is he?
He is at the disco
Where is he?
He is at/in the swimming pool
Where are they?
They are at the theatre
Where is he?
He is at the museum