['My boss just informed me that I will be getting a bunch of unfinished work from a coworker that was promoted. I am so mad that I have to do my stuff and someone elses incomplete work!']
That's so unfair. I would complain very loudly if that happened to me!
My boss just informed me that I will be getting a bunch of unfinished work from a coworker that was promoted.  I am so mad that I have to do my stuff and someone elses incomplete work!