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 Sheisawell--knowndoctornow,butshe

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问题详情:

 Sheisawell--knowndoctornow,butshe

 She is a well--known doctor now , but she _____ as a cleaner at the hospital for five years .

A. has worked  B. worked  C. had worked  D. works

【回答】

B

知识点:一般过去时及其被动式

题型:选择题