阿摩線上測驗
33. In a developed country, people will perhaps go out of work if the birthrate _____.
(A) goes up
(B) is decreasing
(C) remains stable
(D) is out of control
答案：登入後查看
統計： A(97), B(224), C(7), D(16), E(0) #1821813
統計： A(97), B(224), C(7), D(16), E(0) #1821813
