Only by seizing every possible_____ to practice can you possibly hope to improve your spoken English.
It's the fact _____ he doesn't know his own birthday surprises us all.
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.