Have you ever stopped _____ how our lie _____ if the world ran out of ol?
He’s got himself into a dangerous situation _____ he is likely to lose control over the plane.
We have ________ bread.
Put on your coat __ you will catch a cold.
Our school has been set up in , believe it or not , ______ used to be a temple ten years ago.
The question _____ at tomorrow’s meeting is of great importance.