阿摩線上測驗
17.Most of the electronic products come with _____ a of one year.
(A) promise
(B) require
(C) definition
(D) guarantee
答案：登入後查看
統計： A(9), B(17), C(9), D(50), E(0) #2262009
統計： A(9), B(17), C(9), D(50), E(0) #2262009
