問題詳情

22. The secretary _____ the documents to the cloud before the incidental crash of the computer system caughteveryone off guard.【請在下列各題中選出最適當的答案】
(A) was saved
(B) has been saving
(C) saved
(D) had saved

參考答案

答案:D
難度:困難0.321429
統計:A(3),B(1),C(11),D(9),E(0)

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