11.   To them, getting a place on a moon mission meant winning a choice assignment as much as making history.

12.   Last month, a school superintendent was fired after a woman teacher claimed he asked for sex in return for a choice assignment.

a. + assignment >>共 491
new 7.42%
first 6.13%
tough 2.83%
special 2.65%
defensive 2.47%
next 1.89%
temporary 1.77%
difficult 1.65%
starting 1.53%
overseas 1.53%
choice 0.71%
choice + n. >>共 296
word 7.35%
but 3.43%
program 3.27%
goalkeeper 2.61%
target 1.96%
assignment 1.96%
question 1.63%
plan 1.31%
theory 1.31%
multiple 1.31%
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