Tom, clean up the broken glass _________ someone walks on it.
Your smile is one of the strongest tools that make ______ possible for you to meet new people.
He suggested that we ____ the plan later, which suggested that he ____ against it.
___ for the fact that you were lazy, you could have finished the assignment by now.
I ______ Mr White at that time, otherwise I wouldn’t have asked you for some information about him.
When I got back home I saw a message pinned to the door, ____ “Sorry to miss you; will call later.”