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 Afterpainstakingefforts,heeventuallyconcludedthatthepr...

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问题详情:

 Afterpainstakingefforts,heeventuallyconcludedthatthepr...

 After painstaking efforts, he eventually concluded that the principle he stuck _______ true.

A. to proved         B. to proving      C. to be proved        D. to being proved

【回答】

A

知识点:非谓语动词

题型:选择题

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