Failure hurts grownups and children, but it can make a ________ contribution to your life once you learn to use it.
___ with various research projects, that scientist can’t even find time to visit his parents.
— Thank God you’re safe! — I stepped back, just ____ to avoid the racing car.
— Don’t worry, Mum. The doctor said it was only the flu. —____! I’ll tell Dad there’s nothing serious.
All flights ____ because of the snowstorm, many passengers could do nothing but take the train.
As he works in a remote area, he visits his parents only ____.