Голицынский, 7-е издание – Предлоги – Упражнение 147

On the shelf, on the windowsill, on the bench, at the factory (at the plant), on the wall, at the railway station, on the platform, on the floor, on the roof, at the exhibition, at the stop, on the ground, at the concert, on the blackboard, at the lesson, on the bridge, at the stadium, on the snow, on the grass, at work.