题目内容
They are conducting a survey to _______ the impact of advertising on people's connsumer behavior.
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The analyses _______ that in aircraft accidents, the system is most often at fault, not the operator.
They are such a(n) ______ family. They must have been shocked when their son dyed his hair pink.
The best way to deal with problems at home is to talk things out calmly and honestly and try to reach a(n) _______.
It was reported the president had _______ to fight if war was necessary, even if it meant destroying his chances of re-election.
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