問題詳情

23. ______ a global nuclear war, life on earth as we know it would end forever.
(A) There should be
(B) If there will be
(C) If there had been
(D) Should there be
(E) Had there been

參考答案

答案：D
難度：適中0.5
統計：A(2),B(3),C(1),D(9),E(2)