Write. (Подставьте вместо пропусков эти предлоги. Заранее, спасибо!)
up, down, into, onto, under, through, across, over
They are jumping __________ the water.
She is going __________ the slide.
It is running __________ the chair.
He is climbing __________ the mountain.
She is looking __________ the window.
They are walking __________ the bridge.
It is flying __________ the sea.
It is failling _________ the boat.