31.   The White House has defended the school, which the Army formed after World War II to try to keep Latin America free of communism.

32.   Their mission is to keep patients free of pain and their quality of life as high as possible, without hooking them to machines or isolating them in hospitals.

33.   This plan could improve the chances that newborns of infected mothers will be kept free of the virus.

34.   You keep them safe, you keep them free.

35.   Earlier this month, the government ruled that the house occupied by Lazarenko and an adjacent annex are state residences which must be kept free for temporary use.

36.   He said the responsibility to keep buildings free of fire hazards lay jointly with the residents, the owners and the government.

37.   In October the government ruled that the house occupied by Lazarenko and an adjacent annex are state residences that must be kept free for temporary use.

38.   Now the Croats seem to be staking out territory they want to keep free of Muslims.

39.   The president of Belarus on Wednesday said the nations of central and eastern Europe should be kept free of nuclear weapons.

40.   The site is inside the demilitarized zone and the peace force is responsible for keeping it free of weapons.