21.   The federal testing crews came and the warning signs went up.

22.   The judge added that since the sign went up, there have been no other incidents of violence.

23.   The For Sale sign went up last week.

24.   The new signs go up Saturday along Seventh Street and Seventh Avenue between McDowell Road and Dunlap Avenue.

25.   The seat belt sign goes on when we serve the champagne, caviar and Belgian chocolates.

26.   The sign went up in a storefront window on East Fifth Street just west of Second Avenue months ago.

27.   The signs went up Wednesday as authorities warned that people and animals could be sickened by contact with the lake.

28.   The sold-out signs go up even when she sings a contemporary, all-American program.

29.   Times Square is turning into a town square as more signs go up promoting debate on social issues like gun control, AIDS and nutrition.

30.   Two months later, replacement signs went up.