By the end of last week, we __________ a satisfactory solution to the problem.A．
题型：不详难度：来源：
By the end of last week, we __________ a satisfactory solution to the problem.| A．have found | B．will be finding | C．had found | D．found |
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答案
| C |
解析
| 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。 |
举一反三
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