問題詳情
16. All of us wonder why they are so late as they ______ here early this morning.
(A) might be
(B) must have been
(C) needn't be
(D) should have been
參考答案
答案：D
難度：適中0.545455
統計：A(2),B(11),C(8),D(30),E(0)
用户評論
【E7519】評論
選(D)，與過去事實相反，關鍵字this morning