1. Husband and wife express concern about a lack of spiritual progress on the part of their children.

2. They also express concern about the addiction and underage gambling they believe will be the inevitable partners of online gambling.

3. He realized that this "teach-in" method would be a useful way for the public to express concern about the environment to federal and state officials.

4. As the world and the Obama administration move into 20 it is not foolish or alarmist to express concern about the intractability of the Afghan ulcer.