阿摩線上測驗
4. Many elderly people have shorter sleep at night, and would wake up before _____.
(A) dusk
(B) doubt
(C) dawn
(D) dirt
答案：登入後查看
統計： A(37), B(20), C(278), D(19), E(0) #3228988
統計： A(37), B(20), C(278), D(19), E(0) #3228988
