Посмотрите на картинку и скажите, что происходит в момент школьной вечеринки.
The hall is being decorated.
The balloons are being hanged on the walls.
The chairs are being brought into the hall.
The floor is being cleaned.
The poster is being drawn.
The windows are being cleaned.
The curtains are being hanged.
The food is being prepared.
The tables are being put on their places.
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