阿摩線上測驗
12. People snore because they have trouble ________ while they are asleep.
(A) breathing
(B) to breathe
(C) breath
(D) being breathed
答案：登入後查看
統計： A(355), B(101), C(7), D(4), E(0) #2363051
統計： A(355), B(101), C(7), D(4), E(0) #2363051
