If you are looking for a sentence in that paragraph to support the main idea, I think it would be "All it requires is a good pair of sneakers-no cables, stylish outfits, or weights required. The main idea is basically that walking is a good and easy way to begin exercising, and that explains it.
We can see that the sentence that would work better in a story is:
When Logan's little brother wandered into the swamp, Logan went after him.
<h3>What is phrase?</h3>
Phrase actually refers to a group of words that act as a grammatical unit. They are seen within sentences. Phrases also form component of a clause.
We can see here that if a phrase is replaced in "When Logan's little brother wandered into the swamp, Logan went after him." with a something more original and precise, it will work better in a story.
Learn more about phrase on brainly.com/question/13603772
For 17 number 4. For 18 number 1. For 20 number 4. Hope this helped.
The Giver offered him music. Jonas said he wanted The Giver to keep it for himself, to have when Jonas was gone