阿摩線上測驗
12. This is my first vacation __________. The landscapes of Yellow Stones are amazing!
(A) aboard
(B) board
(C) on board
(D) abroad
答案：登入後查看
統計： A(6), B(3), C(5), D(15), E(0) #1887702
統計： A(6), B(3), C(5), D(15), E(0) #1887702
