Answer:
weeeeeeeeeeeeee she go on bike
These will strengthen your argument. evidence from unbiased (aka, unopiniated and objective) and reliable (credible, believable) sources definitely gives you more to back up what you're saying.
The sentence that contains an incorrect possessive form is C) The most creative costumes of the night are theirs'.
The correct option is <em>theirs, </em>there should be no apostrophe after the word.
