問題詳情
47．When the writer says that animals seem “to be catching on”, he means ______.
(A)animals begin to realize the dangers on the road
(B)animals begin to learn to use ecopassages
(C)animals are crossing the road in groups
(D)animals are increasing in number
參考答案
答案：B
難度：適中0.5
統計：A(0),B(0),C(0),D(0),E(0)