题目内容
The Internet is an increasingly important________ of communication.
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A child's awareness of being a(n) ________ grows in stages during the pre-school years.
He does not talk too much and what he has to say is ________ and to the point.
It is difficult to ________ his argument to the facts.
At the press conference, the governor made only a passing ________to the problem of unemployment.
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