. —I’m sorry. I _________ at you the other day. —Forget it. I was a bit out of control myself.
Success in life doesn’t happen_____. It’s the result of devoting yourself to what you’ve set out to do.
Our school has strict rules. Almost no one can ________ using cell-phones in class .
My boss hates interruptions, when he is trying to work.
You can only be sure of _____ you have at present; you cannot be sure of something _____ you might get in the future.
I was just talking to Margot when Jackson____.