Too often we underestimate the power of a touch, a smile, a kind word, or the smallest act of caring, all of which have the potential to _______ a life _______.
. I feel honored to introduce Mr White to you, without _________consideration our project would have ended in failure.
. To our surprise, that top student in our class failed _________a scholarship.
. The building burnt down in a big fire. _________was the base on which it stood.
. If a computer crashes, you will lose the file you _________unless you save it regularly.
. The driver _________, according to the newspaper, to have been killed in the traffic accident.