By making learning () anytime and anywhere, distance education is a powerful tool for supporting lifelong learning.

科目名称：人文英语3

试卷号：11379

题型：词汇与结构(单选题)

题目：By making learning () anytime and anywhere, distance education is a powerful tool for supporting lifelong learning.

选项：A. possible B. possibly C. impossible

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答案：A. possible