Answer:
5 and 12 has incomplete sentences.
Swam like dolphins is the answer
1c - both the sentence and letter talk about how the media isn't interested in classical music
2b - both the sentence and letter talk about how newpapers no longer have many writers for classical music reviews
3a - both the sentence and letter talk about how music tasks have changed and no longer mention it in the paper.
Answer:
it felt nice but abit scary again my emotions were fine