問題詳情

11. By this time next year, these birds ____ south.
(A) are about to migrate
(B) will have migrated
(C) have already migrated
(D) which will migrate

參考答案

答案:B
難度:簡單0.833333
統計:A(0),B(5),C(1),D(0),E(0)

內容推薦