单选 英语国家概况2026-06-20 更新 2 阅读

The spark of the First World War was struck at Sarajevo on June 28,（）,when the Austrian Crown Prince Franz Ferdinand was assassinated by a Serbian nationalist.

  1. 1913
  2. 1914 正确答案
  3. 1915
  4. 1916
参考答案：B

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