---- Is there a vaccine _____ pig influenza?, I’m anxious to know.----- Don’t worry, there is a vaccine _____ for pigs against pig influenza
It is no use ____ without _____.
He is ill. He has kept_____.
Having finished the work,_____.
The boy had his leg _____ while ____ football.
He would rather ______ his parents with their housework than _____ out to play games.