It can mean eroded, worn out, or crumbling.
(Basically it's saying that the barn is falling apart because it's so old and destroyed from weather.)
I can't tell what's the poem and what's the question, maybe can you put the poem in quotations? Either that or you didn't write it correctly.
We use pronouns so that we are not repetitive.
Answer: A) or the first option.
A pronoun is really a word that takes the spot of a noun, without pronouns sentences really wouldn't make sense or be clear here are examples.
Deaththekid101 answered a question
He answered a question
The spider is crawling
It is crawling
Zaxby's is the best resturaunt
This is the best resturaunt
See? pronouns take places so its important we have them.
