阿摩線上測驗
29. Which is the best way to send “important articles”?
(A) put into mail box
(B) registered
(C) prompt delivery
(D) small packet
答案：登入後查看
統計： A(17), B(65), C(41), D(2), E(0) #3236687
統計： A(17), B(65), C(41), D(2), E(0) #3236687
