◎ 题干
Don’t lose heart . Keep on working hard and you will succeed________.
A on time     B at no time     C at one time     D in 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“Don’t lose heart . Keep on working hard and you will succeed________. A on time B at no time C at one time D in 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。