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  • 科目:英语
  • 题型:单选题
  • 难度:容易
  • 人气:2105

Gary Locke , a Chinese-American , once______ as the governor of Washington for 8 years and now is U. S. Commerce Secretary.

A.had worked B.worked C.is working D.has been working
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GaryLocke,aChineseAmerican,onc