◎ 题干
Now people can _______ with their friends far away by e-mail, cellphone or letter.
[     ]
A. keep on
B. keep in touch
C. keep up
◎ 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“Now people can _______with their friends far away by e-mail, cellphone or letter. [ ]A. keep on B. keep in touch C. keep up …”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。