Только проверить. Правильно ли вставили предлоги в предложения.

Put in at, in or on.

‐ Look ___at___ the picture. What can you see?
‐ There’re five children ___at___ the picture. They are ___in___ school.
‐ Is Susan ____in__ Russia?
‐ No, she isn’t. She’s ___in___ home ___in___ England.
‐ Is Oleg ___at__the first floor?
‐ No, he isn’t. He’s upstairs ___in___ his bedroom.