問題詳情

25.Due to the economic depression, our sales ________ for months, so we are now in great financial difficulties.
(A)are dropping
(B)have been dropped
(C)had been dropping
(D)have been dropping

參考答案

答案:D
難度:適中0.526462
統計:A(8),B(113),C(28),D(189),E(0)

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