61.   He won and began speaking out about the dangers he believed existed at Shikany.

62.   I had forgotten how mesmerizing it felt to be close to an animal that had previously existed only at the edges of my dreams.

63.   Ideally, they should photograph the site to show what conditions existed at the time of the accident.

64.   If the same kind of conditions existed on Mars at that time, some biologists think it would be surprising if life had not begun there.

65.   In addition, a worker would no longer have to prove intentional discrimination, only that a framework allowed discrimination to exist at the company.

66.   In some cases, they found that no business existed at the address they had been given, prosecutors said.

67.   In the study, a successful portfolio is one that still exists at the end of the period.

68.   Israel did not exist at the time, and Otsuki had never met a Jew.

69.   Iron-sulfur clusters exist at the center of many important enzymes, Pace noted.

70.   Industry officials argue that Congress would have included software if it had existed at the time.

v. + at >>共 990
speak 2.35%
hold 2.19%
be 2.14%
say 1.77%
stay 1.61%
meet 1.58%
stop 1.50%
appear 1.42%
remain 1.34%
sit 1.33%
exist 0.11%
exist + p. >>共 85
in 39.20%
for 13.20%
on 8.36%
between 7.74%
as 4.79%
at 3.40%
before 2.37%
within 1.96%
among 1.86%
with 1.65%
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