1 clil 5 Complete the sentences with the prepositions in exercise 1. Did he sail across the Atlantic? 1. He fell — the bridğe but he was OK. He was lucky. 2 I like skiing – big mountains! 3. Can you climb — a fifty-metre high tree? 4 Kate is crazy. She ran — the sea in December! 5 They're sailing — the Greek islands. 5 We cycled the forest. There were trees all around us.