use the excerpt from "birches" by robert frost to answer the question.

"when i see birches bend left and right

across the lines of straighter darker trees,

i like to think some boy's been swinging them.

but swinging doesn't bend them down to stay"

in 3-5 sentences, write about the author's repetitive se of the "b" sound and its significance in the excerpt. use details from the excerpt to support your ideas.