A. Performers have to be formally dressed on the sho
B. Each professional dancer dances with a celebrit
C. People on the show perform a different dance every wee
D. The show runs for about four month
A. old peopl
B. middle-aged peopl
C. kids and young peopl
D. all of the abov

A. popular cultur
B. parents' inventio
C. sport
D. all of the abov