What is in the classroom?
A desk is in the classroom.
A book is on the desk.
What is on the desk?
What is in the classroom?
A bookcase is in the classroom.
What is in the bathroom?
A sink is in the bathroom.
What is on the table?
A computer is on the table.
What is on the tray?
A plate is on the tray.
A fork is on the tray.
What is on the tray?
What is in the classroom?
A clock is in the classroom.