Ответ:
Решение:
- We had a great skiing holiday on the mountains last month.
- On our walk we saw some black cows on a big field.
- My uncle has a house by a lake and it's very beautiful there.
- My parents would like to live on the coast so they can look at the sea every day.
- My friend lives on an island and has to take a boat to go to school every morning.
- We can walk along this path and then have a picnic by the river.
Ответ: on, on, by, on, on, by
