問題詳情

276.Because of climate changes, ______ animals face more and more difficulties in their seasonal search for food.
(A) migrate　
(B) migrated　
(C) migratory　
(D) migration

參考答案

答案：C
難度：適中0.470588
統計：A(0),B(7),C(8),D(1),E(0)