問題詳情

They promised to finish the work on time and ______ .
(A)so have they
(B)so they did
(C)so they have done
(D)so they had done

參考答案

答案:B
難度:適中0.541606
統計:A(86),B(371),C(86),D(90),E(0) #
個人:尚未作答書單:片語

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