Answer:
The awnser is vowed
Explanation:
Think of the paragraph he vowed in his heart to never be so irresponsible again when looking at the text we can see thay he used vowed in a sentence that ade it seem he was promising to never do it again so if you still have troubble read over the paragraph and try to find the sentence were he is doing the action then pick out or identify the word that would be in the place of the meaning word