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 Twobiggunsarefired,anditisthe

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问题详情:

 Twobiggunsarefired,anditisthe

 Two big guns are fired, and it is the _______ for the celebrations to begin.  

  A. mark.          B. sign            C. signal       D. symbol

【回答】

C

知识点:名词

题型:选择题

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