問題詳情

【題組】57. According to the article, what is the ideal number of hikers in a group?
(A) One.
(B) Two.
(B) Three.
(D) Zero.

參考答案

答案：[無官方正解]
難度：適中0.5
統計：A(0),B(0),C(0),D(0),E(0)