Allie's Homework:

If you want to chase your dream,go no where that is harmful.Until you throw in the towel of your dream.

Correct:

If you want to chase your dream, go no where because that is harmful.
Until you throw in the towel of your dream.

explanation:
~When writing a sentence it should contain a verb and expresses a complete thought.

~throw in the towel it means to Give up or to be defeated in a given situation.

Note:

Thank you for submitting your homework I appreciate your effort. Keep practicing in writing a sentence to enhance your fluency and English skills. Just take note of the spacing and the correct words to use to make a complete and understandable sentences. Great job Allie!