◎ 题干
If you keep on, you'll succeed _____.

[    ]

A. in time
B. at one time
C at the same time
D. on time
◎ 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“If you keep on, you'll succeed _____. [ ]A. in time B. at one time C at the same time D. on time …”主要考查了你对  【介词和介词短语】  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。