He hurried to the station only _______ that the train had left.
Life is stressful, and complaining may be considered by many as an extension of being________normal.
According to the latest research, getting enough sleep is _____to maintaining good health and reducing stress.
In the eyes of a policeman, it's a usually very dangerous to get close to the _____criminal. He may do anything he would to escape.
Nowadays, Internet shopping will really_____when people are sure that it is safe.
Every time I take part in a friend’s big party. I always go to talk to those who just sit alone so that they don’t feel_____.