Answer:
The professor suggested tim to try a little harder.
Douglass said Mr. Covey turned him into a brute. He felt horrible about himself and was left feeling broken.
If your grow up in a violent neighborhood it doesn’t mean that makes you a violent person because I grew up and is still growing in a not really good area and I’m not violent and shooting people I like to focus on my school work so I can have a better future.
That's because she was an activist for environmental protection. Green as an adjective often refers not to the color, but rather to describe someone who is environmentally friendly. In this case, her literature fought for preserving the nature and save the environment, so it is therefore green.
Ending the adjectives with -ed is not needed, so those answers are out. As for the numbers, the rule is usually that numbers one through nine are spelled out whereas number 10 and up are written in numbers. That said, you do not hyphenate the number with the word, so four-letter word would be correct.