◎ 题干
—What are you doing there? 
—I'm going hiking _______ the mountains. I like going there _______ vacation.
[     ]
A. in, for
B. on, to
C. in, to
D. on, for
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◎ 解析
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◎ 知识点
    根据n多题专家分析,试题“—What are you doing there?—I'm going hiking _______ the mountains. I like going there _______ vacation. [ ]A. in, for B. on, to C. in, to D. on, for …”主要考查了你对  【介词】  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。