问题描述：
问一道题immediately the bird noticed us approaching to it away --- into the sky
immediately the bird noticed us approaching to it away ----- into the sky
A flew it B did it fly C it flew D was it flyiing
我选B
immediately the bird noticed us approaching to it away ----- into the sky
A flew it B did it fly C it flew D was it flyiing
我选B
问题解答：
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