阿摩線上測驗
49.According to the essay, business invitations fall into the following two categories:
(A) formal and informal
(B) email and invitation paper
(C) handwritten and printed
(D) the public and a selected group of people
答案：登入後查看
統計： A(10), B(5), C(1), D(5), E(0) #667644
統計： A(10), B(5), C(1), D(5), E(0) #667644
