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  • 科目:英语
  • 题型:单选题
  • 难度:中等
  • 人气:898

In April,2009,President Hu inspected the warships in Qingdao,________ the 60th anniversary of the founding of the PLA Navy.

A.marking B.marked
C.having marked D.being marked
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InApril,2009,PresidentHuinspec