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She ______ her mother’s work since she was admitted into hospital.

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2 | 2011-6-11 21:36:10 | 显示全部楼层 |阅读模式

A. hasbeendoing
B. isdoing
C. hasdone
D. did

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千问 | 2011-6-11 21:36:10 | 显示全部楼层

She ______ her mother’s work since she was admitted into hospital.A. has been doingB. isdoingC. hasdoneD. did选A翻译：自从她来到医院后，她一直从事她妈妈的工作表示过去持续进行的动作，有对现在有影响用现在完成进行有不会的可以再问我...

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