21.   With an understanding of human proteins, scientists will be able to fight diseases on many fronts.

22.   Their other purpose was apparently to bring Israel into the war, in the expectation that no Arab government could risk fighting on the Israeli side.

23.   Never give him a chance to fight on even terms if you can sneak up and kill him first.

24.   At no time since the earliest plans were drawn up would Thorfinn consider drawing men from the north to fight on land in Alba.

25.   It was to be followed by a general election which the three parties would fight on their individual platforms.

26.   Despite stitches, Sir Courtney not only fought on both days but managed to win both as well, even without bribing the audience!

27.   His campaign against the dollar, however, had to be fought largely on a rhetorical plane.

28.   Armies of unheard-of size, fighting on a scale never before known, generated an unprecedented demand for military information.

29.   Greenpeace hopes to identify individual dolphins by the bite and fight marks on their fins, and to chart their behaviour in an effort to protect them from extinction.

30.   The campaign is fought on a national, and party, basis.