問題詳情

12. Not until every single reporter had gone _____ outside his front door again.
(A) did Alan step
(B) when Alan stepped
(C) stepped Alan
(D) Alan did step

參考答案

答案:A
難度:非常簡單0.913043
統計:A(21),B(2),C(0),D(0),E(0)

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