阿摩線上測驗
45. Her explanation was so _____ that even experts struggled to follow it.
(A) abstruse
(B) elementary
(C) feasible
(D) lucid
答案：登入後查看
統計： A(26), B(0), C(1), D(3), E(0) #3923389
統計： A(26), B(0), C(1), D(3), E(0) #3923389
