They let us use their computer, and_________we gave them the results of our research.
It is necessary to explain your theory _____, otherwise the audience won't make sense of what you are trying to get across.
In the bubble years, lending standards slipped ______,allowing many people to put far too much of their income into paying for their housing.
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.