Cross out the incorrect word.
С ОБЪЯСНЕНИЕМ НА ПРИМЕРЕ КАЖДОГО ПРЕДЛОЖЕНИЯ.
The ULTRA race challenge!
Are you fit enough to compete
in this adventure challenge?
The five-day event will attract
some of the world's best
athletes! Racing on land and
in water, competitors will...
1) swim across lakes / beaches / rivers
2) cycle through an enormous volcano / valley / rainforest
3) climb cliffs / the ocean / a rock
4) run over sandy waves / deserts / dunes
5) swim five kilometres out in the sea / the ocean / a mountain
6) kayak around falls / a desert / a lake