Look at the Word Friends section and complete the text with the correct prepositions.

Solution:

The task is to complete the text using the correct prepositions: 'in', 'on', or 'by'. The provided options for prepositions are: 'in a forest/a field/a lake/the mountains/the sea', 'on a beach/an island/the coast', and 'by a lake/a river/the sea'. We will use these options to fill in the blanks in the sentences about the holiday.

1. We had a fantastic holiday. We stayed on the north coast of Spain. We camped in the mornings, we swam by the sea and mum and dad sunbathed on the beach. On hot days we spent our time in the mountains.
2. We had a fantastic holiday. We stayed on the north coast of Spain. We camped in a field.
3. We had a fantastic holiday. We stayed on the north coast of Spain. We camped in a field. In the mornings, we swam by the sea and mum and dad sunbathed on the beach. On hot days we spent our time in the mountains. We stayed by a small river.
4. In the mornings, we swam by the sea and mum and dad sunbathed on the beach.
5. In the mornings, we swam by the sea and mum and dad sunbathed on the beach. On hot days we spent our time in the mountains.
6. On hot days we spent our time in the mountains.

Answer: 1. on, 2. in, 3. by, 4. by, 5. on, 6. in.