阿摩線上測驗
24. After a few months of training, the dog _____ in cold water now.
(A) is used to swim
(B) is used to swimming
(C) used to swim
(D) used to swimming
答案：登入後查看
統計： A(51), B(218), C(37), D(44), E(0) #3156193
統計： A(51), B(218), C(37), D(44), E(0) #3156193
