21.   We need to keep hope alive.

22.   The traditions will continue only as long as the next generations keep them alive.

23.   The doctors are trying to keep him alive until a liver can be found for transplant.

24.   It is conflict and not unquestioning agreement that keeps freedom alive.

25.   In a real sense, water keeps Earth alive.

26.   Specifically Alvarez was accused of having administered drugs to Camarena in order to keep him alive while he was being tortured by his drug cartel captors.

27.   What kept such hopes alive was conflict between royal kin.

28.   I could see no reason for keeping me alive.

29.   The thirteen episodes from the first two series were constantly repeated, and Frank Spencer was kept alive by the mimicry of impersonators such as Mike Yarwood.

30.   Could it be that someone had an interest in keeping it alive?