问题 选择题

As time went by , the theory he had stuck ______ correct .

A.to prove

B.to proving

C.to proved

D.to be proved

答案

答案:C

考查句子结构,he had stuck是从句修饰the theory,从句中缺少to,这句话的谓语是prove,表示“证明是”,相当于连系动词,后面接名词或形容词,不用被动,句意:随着时间的推移,他坚持的理论证明是对的。选C。

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