問題詳情

40. When you arrived, I ________ dinner in the kitchen. Therefore, I didn’t hear the doorbell ringing.  
(A)cook  
(B)cooked  
(C)had cooked  
(D)was cooking

參考答案

答案:D
難度:簡單0.863283
統計:A(36),B(100),C(198),D(2109),E(0)

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