. We have finally finished it! When ______ the job if we had started it a week e

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    题型: 单项选择题 难度: 简单
    . We have finally finished it! When ______ the job if we had started it a week earlier?
A.may we finish B.could we finish
C.could we have finished D.may we have finished

    答案
    C
    解析
    略
    
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