Some seemingly harmless blogs might become harmful when ________ on the Internet by millions of people.

Diaoyu Island issue, unless _______properly, will directly affect smooth development of relationships between China and Japan.

—Was it by cutting down staff _____ she saved the firm?— No, it was by improving work efficiency.

It is the first time that we ________ a film in the cinema together as a family．

So sudden ________that the enemy had no time to escape.