◎ 题干
—How long _____ you _____ here?
—For about two years so far.
A. have; studied
B. did; live
C. do; stay
D. were; swimming
◎ 答案
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◎ 解析
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◎ 知识点
    根据n多题专家分析,试题“—How long _____ you _____ here? —For about two years so far. [ ]A. have; studied B. did; live C. do; stay D. were; swimming …”主要考查了你对  【现在完成时】  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。