阿摩線上測驗
33. According to the writer, what were companies concerned with in the past?
(A) Helping the Earth.
(B) Preventing accidents.
(C) Protecting the environment.
(D) Helping employees be flexible.
答案：登入後查看
統計： A(36), B(1192), C(217), D(157), E(0) #591630
統計： A(36), B(1192), C(217), D(157), E(0) #591630
