Question

【题目】The cause he had devoted himself ______ a perfect success.

A. to provedB. proved

C. to proveD. to proving

Answer 1

【答案】A

【解析】

考查时态。句意：他投身的事业证明是相当成功的。devote oneself to表示“投身于”，The cause he had devoted himself to是一个定语从句，根据devoted判断此处用一般过去时，故A项正确。