_____many times, they succeeded _________ the experiment.A．Having tried; in doi - 高中英语试题 - 超级试练试题库

题目

题型：不详难度：来源：

_____many times, they succeeded _________ the experiment.

A．Having tried; in doing	B．Tried; in being done
C．Having tried; to do	D．Tried; doing

答案

解析

考查非谓语动词。主语they与try之间是主动关系，故用现在分词。分词的动作发生在谓语动词之前，所以用现在分词的完成式，短语：succeed in doing sth 成功做成某事，句意：尝试了许多次之后，他们成功的做成了实验。所以选A。

核心考点

试题【 _____many times, they succeeded _________ the experiment.A．Having tried; in doi】；主要考察你对现在分词等知识点的理解。[详细]

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A．Having buried	B．Buried
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A．is leaving ; to be	B．leave ; to be
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A．discovered

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