阿摩線上測驗
50. The best title for the above passage:_________.
(A) Senior Citizens
(B) The Important Roles Senior Citizens Play
(C) The Average Lifespan of People
(D) How Senior Citizens Enjoy Life after Retirement
答案：登入後查看
統計： A(1), B(0), C(0), D(0), E(0) #3372831
統計： A(1), B(0), C(0), D(0), E(0) #3372831
