7. Before she was elected president of the club, Mrs. Chen ______ as an accountant in the club for ten years.
(A) serves
(B) will serve
(C) had served
(D) has served

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統計： A(3), B(4), C(17), D(11), E(0) #1938810

詳解 (共 1 筆)

#4856455
(C)十年，過去的一段連續時間，要 用...
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