<span>Mike joined the Army, and he became more disciplined during the training. -is the correct way to rewrite the run-on sentence.</span>
Explanation:
In each stanza, every other line rhymes (which gives us a Rhyme Scheme of ABAB CDCD EFEF GDGD)
Demolish could be a word to fit in there
Present would be “is preforming” past would be “was performing” and future would be “will be” hope this helps!