阿摩線上測驗
11. Many vocabulary books _____ words into different groups according to the level of difficulty.
(A) submit
(B) deceive
(C) classify
(D) postpone
答案：登入後查看
統計： A(19), B(18), C(222), D(9), E(0) #2509969
統計： A(19), B(18), C(222), D(9), E(0) #2509969
