Answer:
1. She was so self-motivated that she was named to the all-star team six times.
2. He grew up with the idea of a dog-eat-dog world and slowly developed an anything
3. Twenty-four tutors worked in the Writing Center; two thirds of them were women with an attitude toward life.
Step-by-step explanation:
Added hyphens where needed in above answer. Connecting two or three words with a hyphen forms a single word.