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manytimes,theysucceededtheexperiment.A.Havingtried;indoingB.Tried;inbeingdoneC.Havingtried;todoD.Tried;doing

题目详情
_____many times, they succeeded _________ the experiment.
A.Having tried; in doing B.Tried; in being done
C.Having tried; to do D.Tried; doing
_____many times, they succeeded _________ the experiment.
A.Having tried; in doing B.Tried; in being done
C.Having tried; to do D.Tried; doing
_____many times, they succeeded _________ the experiment.
A.Having tried; in doing B.Tried; in being done
C.Having tried; to do D.Tried; doing
_____many times, they succeeded _________ the experiment.
A.Having tried; in doing B.Tried; in being done
C.Having tried; to do D.Tried; doing
_____many times, they succeeded _________ the experiment.
A.Having tried; in doing B.Tried; in being done
C.Having tried; to do D.Tried; doing
_____many times, they succeeded _________ the experiment.
A.Having tried; in doing B.Tried; in being done
C.Having tried; to do D.Tried; doing
A.Having tried; in doing B.Tried; in being done
C.Having tried; to do D.Tried; doing
A.Having tried; in doing B.Tried; in being done C.Having tried; to do D.Tried; doing A.Having tried; in doing B.Tried; in being done A.Having tried; in doing B.Tried; in being done C.Having tried; to do D.Tried; doing C.Having tried; to do D.Tried; doing
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A
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A
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。
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。
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。
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。
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。
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。