阿摩線上測驗
9. After the captain made the announcement, the plane began its final _____ prior to landing.
(A)collision
(B)descent
(C)expedition
(D)precedent
答案：登入後查看
統計： A(20), B(47), C(60), D(22), E(0) #1193768
統計： A(20), B(47), C(60), D(22), E(0) #1193768
