Exercise 2. Fill in the gaps with the prepositions through, for,

Exercise 2. Fill in the gaps with the prepositions through, for, by, across, to, in, of, in, by,
for, from, in, across.
1. Swimmers move __________ water __________ using the arms and legs.
2. People __________the very young __________ the elderly swim __________ fun.
3. People swim __________ lakes, oceans, and rivers.
4. Thousands __________ swimmers compete ________ swimming galas held __________
schools, colleges and swimming clubs.
5. Many long-distance swimmers attempt such feats as swimming ____________ the English
Channel or ___________ the Cook Strait.
6. There is an emergency __________ the water.
7. Swimming is one of the best exercises ____________keeping physically fit.