問題詳情

18. If these strict measures had not been taken, there _____ a widespread transmission of H2N5.
(A) would be
(B) had been
(C) would not have
(D) would have been

參考答案

答案：D
難度：適中0.661157
統計：A(22),B(2),C(8),D(80),E(0)