91.   While NTSB officials regularly testify on Capitol Hill, it is rare for the board to specifically ask Congress to prod a federal agency to carry out its recommendations.

92.   Williams officials could testify on that occasion.

n. + testify >>共 436
witness 19.08%
expert 5.26%
official 4.61%
officer 3.56%
doctor 2.70%
woman 2.70%
agent 2.55%
psychiatrist 1.75%
victim 1.75%
president 1.45%
official + v. >>共 435
say 47.50%
be 4.69%
decline 1.52%
deny 1.31%
tell 1.13%
have 1.07%
refuse 1.01%
confirm 0.91%
insist 0.87%
believe 0.81%
testify 0.05%
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