◎ 题干
Though they live in different countries, they always ______.  
[     ]
A. keep touch      
B. stay in touch    
C. are on touch    
D. on touch
◎ 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“Though they live in different countries, they always ______. [ ]A. keep touch B. stay in touchC. are on touchD. on touch…”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。