問題詳情

14. Helicopter is used a great deal in rescue operations. In other words, it is used _______in rescue missions.
(A) extensively
(B) normally
(C) casually
(D) scarcely

參考答案

答案：A
難度：簡單0.777778
統計：A(14),B(1),C(2),D(0),E(0)