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  • 科目:英语
  • 题型:单选题
  • 难度:较易
  • 人气:1399

—Mr. Smith _____ in Russia for 10 years.
—No wonder he can speak Russian fluently and now teaches Russian in a Chinese college.

A.had stayed B.has stayed C.stayed D.stays
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—Mr.SmithinRussiafor10years.—N