阿摩線上測驗
6. For most teenagers, having a smart phone of their own has become_____ these days.
(A) organic
(B) vacant
(C) scarce
(D) popular
答案：登入後查看
統計： A(85), B(76), C(55), D(460), E(0) #1584413
統計： A(85), B(76), C(55), D(460), E(0) #1584413
