◎ 题干
-How long have you been studying in this school?
-I came here _________.
[     ]
A. since three years
B. for 2007.
C. three years ago
D. for three years
◎ 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 have you been studying in this school?-I came here _________.[ ]A. since three yearsB. for 2007.C. three years agoD. for three years…”主要考查了你对  【一般过去时】  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。