阿摩線上測驗
49. Senior citizens are gaining social influence because _________.
(A) their average life span is longer
(B) their number is growing and because they are more active
(C) they have rich experience in life
(D) they do more work now
答案：登入後查看
統計： A(1), B(0), C(0), D(0), E(0) #3372830
統計： A(1), B(0), C(0), D(0), E(0) #3372830
