The story about the cat, Dewey

This is my first English book-DEWEY.

Dewey is a cute cat raised up by a librarian.
There was a server cold winter,
Dewey was abandoned in a returning book box for at least one day. When a lady went to work in the next morning, Dewey almost died due to the cold weather.

After their attentive care,
Dewey survived and to be became more active!
Everyone in that town all know there a chief librarian, cat Dewey who always there and accompany with them. Everyone in the town knew the chief librarian, Dewey. He accompanied them everywhere. 
He can always warming people's hearts.

It's meaningful for to me,
Because it's it was also my birthday gift from my brother few years ago.

When I practice my languages,I always image imagine that Dewey also by my side, and courage encouraging me.
Cheer up.

The story about cat of Dewey the cat

This is my first English book-DEWEY.

Dewey is was a cute cat raised up by a librarian. (This sentence was in the PRESENT TENSE, which was fine until I read the next line and realized the rest of the story is in the PAST TENSE. Both are fine but you need to be consistent.)
There was a servere, cold winter,.
One day, Dewey was abandoned in a returning book box at least one day, when a lady the librarian went to work in the next morning, Dewry almost die due to the cold weather.

After their the attentive care of the librarian,
Dewey survived and to be became more active!
Everyone in that the town all know there a knew the chief librarian, and her cat Dewey, who was always with her. there and accompany with them.
He can was always warming people's hearts. (If there is more than one person then there is more than one heart, so we use the plural.)

It's The book is meaningful for to me, because it was
Because it's also my birthday gift from my brother few years ago.  (This should all be on the same line.)

Whenever I practice my language, I always imagine that Dewey is also by my side. and courage encouraging me.
Cheer up. (This doesn't really make sense. You could say 'It cheers me up.' if you want but the end is already nice without it.)

GREAT JOB! Very nice work and not many mistakes :)

The story about Dewey the cat

This is my first English book-DEWEY.

Dewey is a cute cat raised up by a librarian.
There was a severe, cold winter. 
Dewey was abandoned in a returning book box at least one day later (?), when a lady went to work in the next morning, Dewey almost died due to the cold weather.  

After their attentive care,
Dewey survived and to be more active!
Everyone in that town all knew their a chief librarian, Dewey the cat, who was always there to accompany with them.
He can always warm people's heart.

It's meaningful to me,
Because it's also my birthday gift from my brother a few years ago.

When I practice my language, I always image that Dewey is also by my side and encouraging me.
Cheer up.

Choice of word mistakes are in yellow.

Missing/unnecessary words are in tan.

Spelling Mistakes are in red.

Sentence structure mistakes are in cyan blue.

Tense mistakes are in orange.