21.   According to the Nielsen ratings, many viewers of CBS network programming earlier in the night change the channel when the WCBS newscast comes on.

22.   But after all, changing channels by hand also qualifies, and produces more startling results.

23.   But do we change the channel?

24.   But he can also understand why his sports-loving customers wanted to change the channel.

25.   But he said that they were careful to change the channel whenever their children entered the room.

26.   But the player who has changed appearance nearly as often as others change channels has transformed himself once more at this Australian Open.

27.   By then, you may be too frightened to fall asleep, but changing the channel is always an option.

28.   Change It requires you to monitor a bank of TV screens and quickly change channels when something lame comes on.

29.   Change the channel, watch something else.

30.   Change the channel.