41.   The one downside to this program, of course, is that the receiving Mac and its modem must be turned on at the time a message is sent.

42.   The railing lights are hidden, until they are turned on at night, when they convert the railing to a fence of lights.

43.   The play turns melodromatic at the end, but the musical details are poignant.

44.   Their beds are turned down at night, and they are asked their choice of breakfast and what newspapers they would like delivered in the morning.

45.   They changed the deal, changed tactics and at the end turned everyone off with a heavy-handed threat.

46.   They should have turned north at the junction just south of Lukeville, Ariz., and crossed the border into the United States.

47.   Though digital broadcasts are a brilliant technological advance, it is not likely to turn heads at the beginning as color did.

48.   Turning left at the courthouse, I followed Virginia Street back across the river and kept going for a couple of blocks until I reached Second Street.

49.   Turns out, all he had to do was pull on the doorknob and turn it at the same time.

50.   Using autism as a plot device may seem callous, but it pales next to the sordid twists that turn up at the end.