25.Mr. Duncan raised an unnecessary question__________-he then failed to find an answer.A.to which B

题目简介

25.Mr. Duncan raised an unnecessary question__________-he then failed to find an answer.A.to which B

题目详情


25.Mr. Duncan raised an unnecessary question__________-he then failed to find an answer.
A.to which B.for whichC.with which D.by which
题型:单选题难度:偏易来源:不详

答案

A

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