◎ 题干
Do you still keep ______ touch with your pen-pal in Australia?
[     ]
A. in
B. to
C. at
D. on
◎ 答案
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◎ 解析
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◎ 知识点
    根据魔方格专家分析,试题“Do you still keep ______ touch with your pen-pal in Australia? [ ]A. in B. to C. atD. on …”主要考查了你对  【动词短语】  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。