阿摩線上測驗
10. I did not have enough sleep last night, so I lost my _______ and fell asleep in class.
(A) concentration
(B) description
(C) installation
(D) prevention
答案：登入後查看
統計： A(421), B(30), C(16), D(24), E(0) #2556016
統計： A(421), B(30), C(16), D(24), E(0) #2556016
