1.   Competitive sport teaches valuable lessons which last for life.

2.   Science lessons should be taught in a way that makes the material easier to grasp.

3.   The story teaches a lesson about the true meaning of friendship.

4.   We want to know what lessons they teach us about human affairs.

5.   For de Gaulle himself, the experience taught valuable lessons, particularly about the dangers of being trapped in the role of party leader.

6.   Amid the debate, many economists say there is general but not universal agreement the crisis taught several lessons.

7.   And when their social studies peers teach lessons on American currency, they can mention its roots in the Spanish peso.

8.   Apparently, Mr. Fehr was absent from school the day this lesson was taught.

9.   Because it is a new experience for many, lessons are being taught by the fish as the newcomers get the knack of it.

10.   Because they sit on vacant lots, which are subject to development, the casitas teach another lesson that one learns well from huts.