She _____ as a nurse ____ a year A.works;since B.has worked;for C.has worked ;since D.worked;for要原因,详细

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She _____ as a nurse ____ a year A.works;since B.has worked;for C.has worked ;since D.worked;for要原因,详细

She _____ as a nurse ____ a year A.works;since B.has worked;for C.has worked ;since D.worked;for要原因,详细
She _____ as a nurse ____ a year A.works;since B.has worked;for C.has worked ;since D.worked;for
要原因,详细

She _____ as a nurse ____ a year A.works;since B.has worked;for C.has worked ;since D.worked;for要原因,详细
答案:B
解析:现在完成时中,for+一段时间的状语,而since后面跟具体的时间点,不是段时间.
翻译:她已经当护士一年了.




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