1.  Anyone remotely in touch with the real world knows that there are many teen-agers who feel they cannot under any circumstances let their parents know they are sexually active.

2.  As far as the parents know, the aid workers are still being held in the school, where they sleep on mattresses and eat three meals a day.

3.  Did her parents know?)

4.  Do parents know where the money goes?

5.  Do parents really know what their children are up to when the kids power up the computer and go online?

6.  Doctors sometimes encourage students to let their parents know what is happening.

7.  During cold and flu season, parents know all too well that day care centers and schools turn into jumping germ factories.

8.  Each parent will know the best means of communicating with their child, Palmer said.

9.  Eating out with younger children can be a challenge, as any parent knows.

10.  Dominique Moceanu's parents knew from the day she was born that she would become a gymnast.