問題詳情

31. Can you tell me what ______ when I called last night?
(A)did you do
(B) you do
(C) your were doing
(D)do you did

參考答案

答案:A,B,C,D
難度:非常困難0
統計:A(9),B(2),C(5),D(0),E(1)

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