問題詳情

It is a shame that the error was noticed only after Ms. Perng _____ the project proposal.
(A)sends in
(B)has sent in
(C)had sent in
(D)is sending in

參考答案

答案:C
難度:簡單0.777112
統計:A(86),B(238),C(1297),D(48),E(0)

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