21.   The food is propelled into the esophagus, where contractions usher it down to the lower esophageal sphincter, which allows entry into the stomach.

22.   The severe gray uniform gave him an identity that allowed him entry to any event he cared to photograph.

23.   The United States also has a pilot program with Canada that allows speedy entry to certain Canadians with work or residence permits.

24.   The Web site would contain clues and links, allow entries, maybe offer prizes.

25.   There is no system in place in Mexico to allow the entry of telecom products tested in exporting countries, he said.

26.   Their merchants bribed Chinese officials to allow entry of chests of opium from British-ruled India, though its importation had long been banned by imperial decree.

27.   They perform all the usual adding, subtracting and multiplication chores, but also have keyboards that allow the entry of text information.

28.   Varicella often suppresses the immunity of individuals suffering an active infection, allowing entry for other organisms, such as strep.

29.   A dumbfounded Lara was told by immigration officials at Sahar International airport that they could not allow him entry.

30.   Additional entries were allowed if an athlete was a defending world champion.