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题目内容
（佳木斯大学语言治疗学）
Some of these stars have planets orbiting them, and ______ many billions of these planets could support life.
·as far as it concerns
·there are possibly
·chances are that
· it is sure to say that
·as far as it concerns
·there are possibly
·chances are that
· it is sure to say that
参考答案
