阿摩線上測驗
21. Advertising is distinguished from other forms of communication ____ the advertiser pays for the message to be delivered.
(A) what
(B) in that
(C) which
(D) whereas
答案：登入後查看
統計： A(5), B(7), C(9), D(3), E(0) #864379
統計： A(5), B(7), C(9), D(3), E(0) #864379
