40. The former mayor ______________________ three years ago.
(A) have been stepping down
(B) stepping down
(C) has stepped down
(D) stepped down

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統計： A(12), B(4), C(31), D(47), E(0) #678680

詳解 (共 1 筆)

#2111277
因為是ago以前的事情了A有持續性且還沒...
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