問題詳情

【題組】39. People have been looking for _____ of life on other planets for years.
(A) issues
(B) quantity
(C) evidence
(D) flavors

參考答案

答案：C[無官方正解]
難度：適中0.571429
統計：A(2),B(4),C(8),D(0),E(0)