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单选题
50.Thank you for your hard work. I don, t think wethe thing without you.
A
A. can manage
B
B. could have managed
C
C. could manage
D
D. can have managed
答案解析
正确答案：B
解析：
50.【翻译】谢谢你的努力工作，我认为没有你我们不可能做成这件事o【精析】B分析句子结构并结合句意可知，第二句包含一个without引出的含蓄虚拟条件，表示对过去情况的假设. 所以谓语动词应用“should/weuld/might/could have +过去分词”的形式°故选B。
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