Only after they had performed hundreds of experiments did they succeed in (solve

游客2023-09-25 26

问题 Only after they had performed hundreds of experiments did they succeed in (solve) ______the problem.

选项

答案 solving

解析本题考查动名词的用法。英语中介词后需接动名词，动名词由动词加-ing构成，起名词的作用。本题中，solve的动名词形式solving作介词in的介词宾语，故填solving。

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Only after they had performed hundreds of experiments did they succeed in (solve

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(science)______havedonecountlessexperimentstoshowthatpraiseisfarmore

Wasitis1969theAmericanastronautsucceededlandingonthemoo

Wasitis1969theAmericanastronautsucceededlandingonthemoo

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______adequatepreparations,wemighthavesucceeded.A、WouldwemakeB、Hadwem

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Participationinhighschoolsportsisnotaconstitutionalright.Rather,i

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