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  • 更新 2022-09-03
  • 科目 英语
  • 题型 单选题
  • 难度 中等
  • 浏览 1260

Now the Great Wall is   , so the Chinese authorities are working on a monitoring and warning system along the wall to preserve it in the future.

A.on good condition B.in good condition
C.in poor condition D.on bad condition
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NowtheGreatWallis,sotheChinese