21.   It is even possible, by carefully controlling the electronic apparatus delaying the false echo, to make the bats attempt to land on a phantom ledge.

22.   The aircraft came down during an attempt to land in bad weather.

23.   By contrast, his attempts to cover-up his crime were cool and calculated.

24.   Earlier Northern Ballet spokeswoman Anna Izza insisted that the production was not an attempt to shock.

25.   It was a pre-emptive strike against attempts to rewrite and water down his proposals in the months ahead.

26.   Marketing management must continually reappraise its channels of distribution in an attempt to effect cost savings.

27.   Colleagues, do not let us shirk from our responsibilities to our fellow workers and this attempt to international solidarity.

28.   Already there have been reports of unscrupulous gas station operators jacking up the price of fuel in an attempt to profit from the current uncertainty.

29.   An attempt to affiliate with Florida Atlantic University, a state university in Boca Raton, fell through.

30.   Among the underpublicized reasons Richard Nixon was driven from office with pitchforks were his periodic attempts to phone in plays to then-Washington Redskins coach George Allen.