2. 职称英语
  3. I spent twoMonths on the book.It ______ ______ twoMonths ______ ______ the book

I spent twoMonths on the book.It ______ ______ twoMonths ______ ______ the book

游客2025-07-12  10
问题 I spent twoMonths on the book.
It ______ ______ twoMonths ______ ______ the book. [br]
选项
答案 have been in，for
解析 用be in的现在完成时形式表示从过去某时开始的动作一直延续到现在或继续延续下去，另外完成时中通常用介词for引导表一段的时间状语。
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