Read this paragraph from a student's essay. I tried to ignore the noise . The jackhammers and other heavy machinery made it difficult to focus on my math assignment. The noise also frustrated me for another reason. It signaled that houses were being built on the last bit of open space on my street. I decided to write to my local paper.

Complete the first sentence with a participial phrase.
Complete the last sentence with an absolute phrase.
Explain how each phrase enhances the essay.