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职称英语
All these days he______on his paper.A、has workedB、has been workingC、was workin
All these days he______on his paper.A、has workedB、has been workingC、was workin
游客
2025-03-24
21
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问题
All these days he______on his paper.
选项
A、has worked
B、has been working
C、was working
D、is working
答案
B
解析
题干:这些天他一直在忙着写论文。本题测试时态。all this(these) day(s),month(s),year(s)等时间状语一般与现在完成时连用,意为“一段时间以来一直在……”,强调动作的持续,不注重结果。只有B符合要求。
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