◎ 题干

22. —Mr. Smith _____ in Russia for 10 years.
—No wonder he can speak Russian fluently and now teaches Russian in a Chinese college.
had stayed                    B. has stayed              C. stayed                  D. stays
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◎ 解析
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◎ 知识点
    根据n多题专家分析,试题“22. —Mr. Smith _____ in Russia for 10 years. —No wonder he can speak Russian fluently and now teaches Russian in a Chinese college.had stayed B. has stayed …”主要考查了你对  【一般现在时】【将来进行时】【过去完成进行时】【过去将来时的被动语态】  等知识点的理解和应用能力。关于这些知识点的“档案”,你可以点击相应的链接进行查看和学习。