1.   High-status groups do all they can to maintain their positions.

2.   Day turns into night and then into the next day, and the Earth does what it can to maintain a balance.

3.   Do what you can to maintain the finish without removing it.

4.   The basic principle is that the body does everything it can to maintain adequate blood flow, especially to the brain.

5.   The good people of the NEA, like residents of a besieged city, do what they can to maintain a sense of normality.

6.   He had arrived in training camp in excellent shape and is doing what he can to maintain that, which could minimize his rehabilitation time.

7.   The Organization of Petroleum Exporting Countries quickly offered assurances that it would do what it could to maintain stable oil prices.