問題詳情

36.By the time she retired in 2000, she ______ for the company for thirty years.
(A)worked
(B)was working
(C)had worked
(D)has worked

參考答案

答案：C
難度：簡單0.764947
統計：A(34),B(60),C(934),D(193),E(0) #
個人：尚未作答書單：與過去事實相反的假設、與過去事實相反的假設(if+主詞+had+pp)

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