Don't or Do Not?

Applying to College Common and Coalition Application
1

<p>So in the essay of the common app, do we have to write "do not" or "can not" for every "don't" and "can't"?</p>

2

<p>bump…</p>

3

<p>I sure as hell didn’t…err, I mean did not.</p>

4

<p>It doesn’t matter. Do which ever fits with your voice more.</p>