問題詳情

1. 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0.454545
統計：A(1),B(2),C(5),D(0),E(0)