阿摩線上測驗
25. Learning things is like sailing a boat against the current；______advances______retreats
(A) it neither....nor
(B) one....another
(C) it either....or
(D) one.. . .the other
答案：登入後查看
統計： A(28), B(32), C(97), D(21), E(0) #2634306
統計： A(28), B(32), C(97), D(21), E(0) #2634306
