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  • 更新 2022-09-03
  • 科目 英语
  • 题型 单选题
  • 难度 中等
  • 浏览 1949

The Shanghai Expo has had a major impact upon China. It is the first World Expo _________ in a developing country in the event’s 159-year history.

A.having been held B.to hold C.being held D.to be held
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TheShanghaiExpohashadamajorimp