1.   An opponent of social promotion, Bennett said students would be tested frequently online and would not be able to advance to a new topic before mastering preceding lessons.

2.   Accountability means students should be held accountable for doing their homework and mastering their lessons.

3.   Not until he finally held the red cap and spear that signify Mamprusi authority would it become clear he had mastered his lessons.

4.   One group that seems to have mastered this lesson is the Japanese-Americans.

5.   Some suggested that the candidate who mastered the lessons of Clinton this year was Bush.

6.   You can see Picasso absorbing artists from Sargent to Toulouse-Lautrec to Cezanne in this show, mastering their lessons.