21.   An interior opens into a courtyard.

22.   As pronounced by the actress Lillias White, each syllable in this numeral opens into a cry of fatigue to make your every muscle ache in sympathy.

23.   At the end of the chamber, which opens into space, are two metal grids made of molybdenum grids that are charged positively and negatively, respectively.

24.   At some stage of their lives, most have both gills and lung sacs that open into their mouths.

25.   Behind him, the glass door opened into a living room that looked as furniture-bare as an art gallery.

26.   Below him stood a granite representation of a landing craft opened into a curved reflecting pool, littered with rusting tank tops.

27.   A back door of the hall opens into the suite of offices of Rep. Dick Gephardt of Missouri, the minority leader.

28.   A critical problem for any historical novelist is finding a magic door, of sorts, that opens into the living past.

29.   A door opens into a hallway that is cheery, well lit and immaculate.

30.   A door opens into the Blue Room, which is quiet by day.