I can't let go of what I like. I like it very much.

Paragraph 3: Perseverance.

The fourth paragraph: not stingy.

The fifth paragraph: haggard

3(2) Because we all have our own hometown and home, it is always sad to leave. We have our own home and freedom, and so do animals. Animals have their own homes. We can't detain them and let them pursue their dreams.

4( 1) Nightingale, Parrot, Seagull

(2) Singing and dancing are beautiful pictures. Scholars of all ages wrote the beauty of nightingale with pen and ink. So, the value of warbler.

(3) Take care of birds and make our life better.

I think it's B.