history: At work, while standing up, my pants tear in back. I didn't know what to do. At work_comma_ while standing up_comma_ my pants teared in the back. I didn't know what to do. Oh no! That is so sad for you.  How embarrassing. 
current: It was embarring. Some coworker were watching me. I had to go to my manager to ask him if I could home.
next: how sad.  I am so sorry you had to deal with that.