Without his assistance, I （红色选项为正确答案） the research last month.<br>【A】：would not have completed<br>【B】：could not finish<br>【C】：should not finish<br>

Without his assistance, I （红色选项为正确答案） the research last month.
【A】：would not have completed
【B】：could not finish
【C】：should not finish

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