21.  Yet, even if it is a twilight struggle, other scientists said it will be a crucial one.

22.  Analysts said Mitsubishi Estate will take a hit in the Rockefeller Center deal, but not a truly crucial one.

23.  But market watchers noted one crucial, though perplexing, difference.

24.  Dillane said the role was a crucial one for any actor.

25.  The choice is a crucial one.

26.  The first test, meanwhile, looms as a crucial one for Australian batsman Ricky Ponting, who is struggling to find his form at test level.

27.  The game is a crucial one for veteran Australian batsman David Boon, who cannot afford another failure.

28.  The other thing I had to remember - this one rather crucial - was when to pull the ripcord.

29.  The meeting is a crucial one in the history of the largest African lending institution for development projects.

30.  The question of the territories has been a crucial one, but in any new negotiations, the status of Jerusalem is expected to be the main sticking point.