鸟儿们很活跃，在树林中飞来飞去。（flutter）
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现在， 欢呼声和掌声汇成了一片持续的喧闹声。（mingle）
The _____ economies of several southern African nations could be irreparably damaged.
Today, his change of direction seems more________with the times.
But, at least they make him ________ by giving him with a fashionable bow - tie.
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