問題詳情

Not once ______ as I have asked.
(A) you have done
(B) have you done
(C) have done you
(D) you done have

參考答案

答案：B
難度：適中0.549521
統計：A(207),B(344),C(33),D(12),E(0)

用户評論

【用戶】Pei Yu Liao

【年級】幼稚園下

【評論內容】not once 後面要接倒裝句。