As we all know, Jack is experienced _____ the problem of this kind.A.to work outB.at workingC.at wor

题目简介

As we all know, Jack is experienced _____ the problem of this kind.A.to work outB.at workingC.at wor

题目详情

  As we all know, Jack is experienced _____ the problem of this kind.
A.to work outB.at workingC.at working outD.for working out
题型:单选题难度:中档来源:不详

答案

C
考查短语be experienced at在某方面有经验。At是介词后面接名词或者动名词。句意:众所周知,杰克在解决这方面的的难题上有经验。Work out解决,算出,故选A。

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