By the end of last week, we __________ a satisfactory solution to the problem.A.have foundB.will be

题目简介

By the end of last week, we __________ a satisfactory solution to the problem.A.have foundB.will be

题目详情

By the end of last week, we __________ a satisfactory solution to the problem.
A.have foundB.will be findingC.had foundD.found
题型:单选题难度:中档来源:不详

答案

C
考查时态。By到….为止,与完成时连用;句中the end of last week又是指过去的时间,所以使用过去完成时。句意:到上个星期结束的时候,我们已经找到了这个问题的令人满意的解决方法。

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