Tom, clean up the broken glass _________ someone walks on it.
The driver was at ____ loss when _____ word came that he was forbidden to drive for speeding.
—Did you enjoy yourself at the party? —Yes.I've never been to ______ one before.
Fitness is important in sport, but of at least _____ importance are skills.
It's usually warm in my hometown in March, but it ___ be rather cold sometimes.
I have _____ all my papers but I still can't find my notes.