11.   At a time when pollsters say tha they want their elected officials to cooperate, neither party can afford to be too antagonistic.

12.   At a time when Russian-U.S. relations are strained by Chechnya and lingering disagreements over a series of other issues.

13.   At a time when Wall Street was overrun by penny stock fraud and even the influence of organized crime, he helped government agents navigate the terrain.

14.   At a time of strong anti-American sentiment, that vulnerability can only become more pronounced.

15.   At a time when Hong Kong is caught in the downdraft of the Asian economic crisis, that is one distinction it could do without.

16.   At a time when London is filled with faces of color, the fleeting appearances by minority kids is scarier than Voldemort.

17.   At a time when Russian oil companies need capital desperately, it is drying up.

18.   At a time when the American public recoils from Washington insiders, here is a race of ultimate insiders.

19.   At a time when the tobacco industry is under siege by lawyers and lawmakers?

20.   At a time when urban residents in many cities are objecting to the destruction of old neighborhoods, that sequence was too much for the censors.

n. + at >>共 13
time 66.46%
moment 18.35%
age 3.80%
hour 3.16%
foot 2.53%
midnight 1.27%
dinner 0.63%
kilometre 0.63%
nine 0.63%
now 0.63%
time + n. >>共 1490
period 2.92%
trial 2.78%
slot 1.77%
line 1.32%
difference 1.26%
rate 1.11%
constraint 0.88%
one 0.82%
at 0.79%
hand 0.69%
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