It was announced that only when the fire was under control ________ to return to their homes.
_______ two exams to worry about, I have to work really hard this weekend.
The hospital is _______ tests to find out what’s wrong with the little boy.
If we work with a strong will, we can overcome any difficulty, _______ great it is.
You look tired. _______ working indoors you should go out for a walk.
Look, dark clouds are gathering. It is _______ to rain soon.